Context: " Pete still smiling did n't say anything and sat next to me and rested his head on my shoulder . Afterwards he gently kissed my cheek as he said"I love you too Trick . "

Question: What may be the reason he rested his head on her shoulder ?
Options:
0. His head was too heave because of gravity .
1. He was tired and passed out on her shoulder .
2. He wanted to show his affection for her .
3. He was using her shoulder to scratch and bad itch .
Answer: 2