I agree with Xenia that you need to have some 'time out'; at the weekend, yes he needs to unwind, but SO DO YOU. Perhaps make an agreement that you each have an afternoon or a morning out; perhaps as you don't drive, your DH could drop you somewhere where you can address your lack of a social life; if he wants you to not rely on him so much, he can help you to address it.
But I have to say I think it's so massively unhelpful of Xenia to say to you "get back to full time work". Your baby is 8 months old. Just because some people don't feel the need to parent their own kids doesn't mean it's right not to! What it's about, what successful lasting relationships are about, is having a balanced perception of what the other does, agreeing expectations;
for instance, my dh's only expectation (when ds was at home rather than school) was that I would care for ds. Housework and all related household matters remained absolutely joint responsibilities. Which isn't to say I never had to prompt him, but our attitude is and was, that just because one of us chose to be a parent at home, it did not mean that that was a tacit agreement to doing everything else.
What needed doing in the evening and weekends, was and is done between us.
It doesn't have to be that just because one person earns all of the money, that they have the right to do nothing at home. Or that they will have no value or respect for what is done at home with kids. Going back to work to get on an equal footing is not addressing the real relationship issue. Your dh needs to respect what's done by being a sahm, work on that together rather than trying to equal it by going to work. That's like putting a band aid on a broken leg.
And if everyone did that and ALL our children were in wrap around care from 7am to 7pm, where would our society go?
Value what you do, make sure you begin to claw some time for you as an individual Mrssportacus...small steps will start to make a difference, I'm sure....best of luck