what happened to him? why did he change? plz help?

I got to know a wonderful man from a dating site3 months ago.Then I met him during the1stmonth a few times.He was warm, thoughtful and would stop at nothing to make me happy.we live 1000sof miles away but he would call on Viber, Hangout , we would talk for hours.He sent flowers, passionate e-mails and we missed eachothers like crazy.

He was interested in everything that I was, in getting to know everything about me, about my daughter, even my parrots and was a good listener.

He seemed open minded and cheerful.

Then he proposed to me and traveled to see me some 20 days ago.

It was the most romantic proposal ever and , even though a part of me wanted to take things slow, i was under his spell.

We got married 4 days later and went on a 10 day honeymoon in Europe.

My sweet man suddenly turned cold, sleeps on the other side of the bed and never look my way after we make love, which was again rushed n strange.wouldn't talk, selfish, disengaged and was only nice when he wanted to have sex.