Why would a guy act as if he fancied you for weeks and then all of a sudden after you went away for a week, he starts deliberately ignoring you?

[Anonymous]

Turns out he has a boyfriend, but never told you his orientation all this time.

Updates

+1 y

I am a woman by the way.

[Guy13]

He thinks you made a decision and chose another guy over him. Communicate better if you wish to maintain a friendship that could lead to something more.

[Asker]

I am a woman by the way...

[Asker]

How would I have chosen someone else if he's the one who's changed, acting cold, etc