Stop the relationship talks. Start talking to him in a pleasant way and most importantly...STOP ALL EXPECTATIONS.
If your interaction in the morning was you maybe nagging about something or him perceiving that you were nagging, then it's no surprise he didn't want to do anything with you.
Start establishing good interactions with him. It'll take time, but it can be done.
If you could elaborate, what happened at the wedding? The more information you give about your sitch, the better.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.