I feel like a horrible girlfriend

I get really bad nausea when my boyfriend tries to kiss me. My body just doesn't accept it. It's hard to drink certain drinks and eat most foods. Last night I was craving shrimp and noodles so my boyfriend went out and got stuff to make it for me.  Once I sat down to eat it the smell of it made me so sick I couldn't even look at it. I felt so terrible because he spent so long making it for me.  We don't make love anymore because I'm also so tired and sick.  I feel like being pregnant is putting a strain on our relationship. Even thought he won't admit it, I know it hurts him I can't kiss him with out feeling ill. 🙁