Context: He likes to touch my hair , and get really close & smell / kiss my neck ( he did this once ) and he holds hands sometimes when standing or sitting . He wants to make sure I do n't get too close to other guys . Last time I saw him he gave me a neck massage .

Question: Why does he like to kiss my neck ?
Options:
0. None of the above choices .
1. Because he is romantically interested in me .
2. Because he gave me a neck massage .
3. Because he likes to touch my hair .
Answer: 1