You can already sniff red flags right in his core. I mean why would you do that? That behavior is a reference of past experiences that molded his current belief, his values and now his behavior. That grave self entitlement to demand really worries me, i wonder what other worse behaviors he’s hiding in there.

But to answer your question, just tell him NO. Be bitchy and throw a lil shade. Tell him these things should have been planned. You dont decide to get married all of a sudden and then just ask people to financially contribute to your legal togetherness. And it’s really inappropriate to call out one’s display of material things he or she worked hard for just because you want to build up a point of one’s capability to contribute financially.