Unityのエラーの直し方が分からない

このスクリプトをunityに導入すると、Assets\script\Human123.cs(271,6): error CS1513: } expectedと出ます
対処法を教えて下さい

追記
最後に一個}を付け足すと,CS0103などのエラーが10個付け足されます
参考動画はこちらを参考にしています　https://www.youtube.com/watch?v=E5NSgXNgKvY

c#
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4using UnityEngine.AI;
5
6public class Human123 : MonoBehaviour
7{
8
9
10
11
12
13    enum State
14    {
15        sleep,
16        gotoToilet,
17        washHand,
18        doNothing,
19        eat,
20        starveToDeath
21    }
22
23    enum DesireType
24    {
25        sleep,
26        eat,
27        toilet
28    }
29
30    class Desire
31    {
32        public DesireType type { get; private set; }
33        public float value;
34
35        public Desire(DesireType _type)
36        {
37            type = _type;
38            value = 0f;
39        }
40
41        class Desires
42        {
43            public List<Desire> desireList { get; private set; } = new List<Desire>();
44
45            public Desire GetDesire(DesireType type)
46            {
47                foreach (Desire desire in desireList)
48                {
49                    if (desire.type == type)
50                    {
51                        return desire;
52                    }
53                }
54
55                return null;
56
57            }
58
59
60
61            public void SortDesire()
62            {
63                desireList.Sort((desire1, desire2) => desire2.value.CompareTo(desire1.value));
64            }
65
66
67
68            public Desires()
69            {
70                int desireNum = System.Enum.GetNames(typeof(DesireType)).Length;
71
72                for (int i = 0; i < desireNum; i++)
73                {
74                    DesireType type = System.Enum.ToObject(typeof(DesireType), i);
75                    Desire newDesire = new Desire(type);
76
77                    desireList.Add(newDesire);
78                }
79            }
80        }
81
82        Desires desires = new Desires();
83
84
85
86
87
88        float sleepDisireUpSpeed = 15f;
89        float sleepDesireDownSpeed = 5f;
90
91
92        float toiletDesireUpSpeed = 8f;
93        float toiletTime = 2f;//トイレにかかる時間
94
95        float handBacteria = 0;//手の汚れ 0-1　トイレから出たら1になる
96        float handWashSpeed = 2f;//手を洗うスピード
97
98
99        float hungrySpeed = 10;
100        float eatspeed = 3;
101
102        State curretState = State.doNothing;
103        bool stateEnter = true;
104
105        void ChangeState(State newState)
106        {
107            curretState = newState;
108            stateEnter = true;
109        }
110        private void Update()
111        {
112            if (curretState != State.sleep)
113            {
114                desires.GetDesire(DesireType.sleep).value += Time.deltaTime / sleepDisireUpSpeed;
115            }
116
117            if (curretState != State.gotoToilet)
118            {
119                desires.GetDesire(DesireType.toilet).value += Time.deltaTime / toiletDesireUpSpeed;
120            }
121
122            if (curretState != State.eat)
123            {
124                desires.GetDesire(DesireType.eat).value += Time.deltaTime / hungrySpeed;
125            }
126
127            if (curretState != State.starveToDeath && eatDesire >= 2.0f)
128            {
129                ChangeState(State.starveToDeath);
130                return;
131            }
132
133
134
135
136
137            switch (curretState)
138            {
139                case State.starveToDeath:
140                    #region
141                    if (stateEnter)
142                    {
143                        stateEnter = false;
144                        Debug.Log("死んだ");
145                    }
146                    #endregion
147                    break;
148
149                case State.doNothing:
150                    #region
151                    if (stateEnter)
152                    {
153                        stateEnter = false;
154                        Debug.Log("暇だなnanananananaー");
155                    }
156
157
158
159
160                    if (eatDesire >= 1)
161                    {
162                        ChangeState(State.eat);
163                        return;
164                    }
165
166                    if (toiletDesire >= 1)
167                    {
168                        ChangeState(State.gotoToilet);
169                        return;
170                    }
171
172                    if (sleepDisire >= 1)
173                    {
174                        ChangeState(State.sleep);
175                        return;
176                    }
177                    #endregion
178                    break;
179
180
181
182                case State.eat:
183                    #region
184                    if (stateEnter)
185                    {
186                        stateEnter = false;
187                        Debug.Log("腹減ったから、飯を食おう");
188
189                    }
190
191                    eatDesire -= Time.deltaTime / eatspeed;
192
193                    if (eatDesire <= 0)
194                    {
195                        ChangeState(State.doNothing);
196                    }
197                    #endregion
198                    break;
199
200
201
202                case State.gotoToilet:
203                    #region
204                    if (stateEnter)
205                    {
206                        stateEnter = false;
207                        Debug.Log("トイレなうー");
208                        handBacteria += 1;
209                    }
210
211
212                    toiletDesire -= Time.deltaTime / toiletTime;
213
214                    if (toiletDesire <= 0)
215                    {
216                        ChangeState(State.washHand);
217                        return;
218                    }
219                    #endregion
220                    break;
221
222
223
224                case State.washHand:
225                    #region
226                    if (stateEnter)
227                    {
228                        stateEnter = false;
229                        Debug.Log("すっきりした　手を洗おう");
230
231                    }
232
233                    handBacteria -= Time.deltaTime / handWashSpeed;
234
235                    if (handBacteria <= 0)
236                    {
237                        ChangeState(State.doNothing);
238                        return;
239                    }
240                    #endregion
241                    break;
242
243                case State.sleep:
244                    #region
245                    if (stateEnter)
246                    {
247                        stateEnter = false;
248                        Debug.Log("寝るかな");
249                    }
250
251                    sleepDisire -= Time.deltaTime / sleepDesireDownSpeed;
252
253                    if (sleepDisire <= 0)
254                    {
255                        ChangeState(State.doNothing);
256                        return;
257                    }
258                    #endregion
259                    break;
260
261
262
263
264
265            }
266
267        }
268
269
270
271    }
272}