Pregnochick, sexism is so endemic to society that it's invisible to most people. I have known women in the process of becoming active feminists describe the process as 'taking the red pill', because once you start seeing it, you can't unsee it.
You might well not feel any hostility towards yourself, and be friends with men. That usually means you're patriarchy compliant - as am I, mostly, so I also don't have much personal experience with sexism. But it's pretty obvious that there's huge structural inequalities in our society, isn't it? Incredibly low conviction rates for rape and DV? Overrepresentation of men on the bench, in Parliament, as CEOs, basically in every job that confers power and status and money? Double standards surrounding sexuality? Increasing pressure to take away reproductive rights?
Also, isn't there a distinction between valuing the role of a SAHP, and disliking women who expect to be provided for?
I respect and value the work of parents, male or female, who stay at home full time to care for their children and their household. I don't, though, have a lot of respect for women who expect a man to provide for them, like it's their right by dint of their sex. In my world, a partnership is equal, and if that works best by dividing tasks so that one person earns the money and the other one does the unpaid tasks, fine. If you split everything down the middle, also fine. But the word 'expect' implies that it's not a decision that's been arrived at after negotiation between equals, but an assumption of entitlement made in the abstract.
So no, I don't think it's okay to just expect to be provided for. Any more than I think it's okay to expect someone else to cook your dinner and scrub your skiddy pants.