He was really sad and hurt when he saw you not look jealous when he hugged another girl in front of you. He did that just to make you jealous.

He quickly got rid of the girl and dragged you to the campus backyard.

While in the backyard of campus, you were surprised because he suddenly hugged you while crying.

"Why aren't you jealous when I'm with that girl? Don't you love me? Are you forced to be my girlfriend?" he sobbed.

It was the first time you saw him cry.