Said no to his request

This is really hard for me to write out, because of how foolish I’ve been with my boyfriend. So please be gentle! Also English isn’t my first language so forgive me if I’m not coherent.

I’ve loaned my boyfriend money; he’s on disability and broke but is getting a settlement soon. I’m very generous but lately he’s been asking for more (we’ve only been dating for like 8 months) and when I said I didn’t have any more money to give, he suggested that I sell my car and get a cheaper car. I love my car and I worked really hard to get it. I told him no and he made me feel like an asshole. I also suggested that we write a promissory note for any future loans and he got UPSET and said I was fucked up and that I didn’t trust him and basically guilt-tripped me.

Does any of this sound right to you? The suggestion that I sell my car and the upset/defensive reaction he had when I asked about a promissory note.

I think I already know the answer but have any of you guys ever had similar experiences? I need validation that my intuition is correct.