Sorry about all the questions - just had lots of things popping into my mind that I was curious about.
About your mum - I can totally see how that would be bothersome. Maybe she feels insecure or something about her own feelings and memories of pregnancy, and so needs you to validate them by having the same feelings and experiences. Probably best to just smile and nod and go on with your life. Easier on your blood pressure anyways. So you didn't look big enough, eh? Next time, maybe add a little stuffing under your shirt and walk around with a great exaggerated waddle. That ought to make her day.
About the bedroom - that's miserable! Just one more reason to be counting down the days! I wonder if your DH is feeling like he's not satisfying you, and that's why it seems like he's not so interested now that you're pregnant? Wouldn't life be soooooo much easier if men talked a little more!!!
LOL about the male hypogonadism book. That would make a great coffee table book. Or maybe you could start recommending it to male friends...
Teaching - highschool or university? (BTW, those are my favourite subjects. I was in nursing before I was married. Didn't finish, (long story, kind of) and wasn't too interested in working 12 hour shifts, but I loved the learning, and was at the top of my class.)
Car shopping: good idea about the higher car - we've got a little Honda, and it is a bit of a pain to get the kids in and out. Make sure you get one with lots of storage room! Heavens only knows you'll have to carry around lots of baby stuff.
About budgeting: Been there. Still doing that. Not so much fun when it seems like everyone else can spend their money in a zillion different ways, and you can't. I would really recommend looking around for some good second hand shops for your baby stuff. Over here, they've really become popular, and since so many people are only having one baby, and since they go through the clothes so quickly when their little, the clothing is in brand new condition, and costs 1/4 of the new price. That has saved us piles of money.
I really hope that your DH comes around to being a great, supportive husband and father, but I guess everyone's got their faults, and we've all got to learn to be understanding. Communication is a learned skill - keep trying to teach him!
I've enjoyed the discussion myself, and if you ever need to vent again, I'll gladly listen.
All the best!