Yes, you're pregnant even if the line is very faint. It may just be that light b/c you're so early into your pregnancy. You can take another test in a few days and it should come out darker, but if not and you're still not convinced or unsure go ahead and go to the doctors and have them test...
Yes, I know how you feel. I'm 32wks and I've seemed to have lost my appetite too. I'm not under any stress, but your eating habits do change while you're pregnant. At one point I wanted to eat everything I saw and that was around 26wks, so how you're feeling is normal. I just keep a lot of my...