I don't know if I'm expecting too much

I feel like my husband never wants to help me with things. I work full time and went back to school full timeand I'm under a lot of stress. However, he still thinks we should split all the household chores, even though I have homework and he's just watching tv. I can put up with that I guess since I have only two semesters left... But some things he doesn't do just make me feel like he doesn't care. My car has broken down two times in three months, and neither time will he come and help me. I don't have AAA, so I've depended on strangers to come help me. Tonight, I waited over an hour for someone to help me. It was pouring rain and dark so I think that's why no one stopped. My husband was at home doing a conference call - which I get, his job is important - but I was two miles down the road. Is it crazy to think he could have told his colleagues his wife needed help? I didn't want to leave my car because it was on a hill in a busy intersection.
If I'm being overly sensitive and expecting too much I want to know.