Am I being too complicated??

My fiancé and I have been planning on going to my cousins wedding in the beginning of March which we are very excited about! The only problem is the wedding and reception are almost 2 hours away from our house..😩 Oh and I will be 38 weeks pregnant on the day of the wedding!! I know at the reception my fiancé will want to get wasted and stay out all night but being so far along I don’t think I’d be able to stay out too late AND drive two hours home. (I really don’t want to have to sleep in a hotel room two hours away from my home/hospital if anything should go wrong).

Am I wrong in asking him not to drink at all that night?? I don’t want to be selfish but I know if I ask he will question and make a big deal over it. My only thought is what if something should go wrong that far away from home and I can’t drive... am I just being paranoid? Should I even still consider going now knowing it’s 2 hours away?