I'm having boyfriend problems!! pls help!!?

ok so I have a boyfriend and we have been going out for 2 weeks now... at the begining I was really happy and super happy being with him.. well now I just don't feel the same way, and I'm just not happy with him like I was the first week. I've been felling this way for a week now and I just don't know what to do. I used to love him but the feeling is gone now, and I just don't know what to do