You expressed your feeling about not wanting the truck anymore, after he yelled at you about buying it. I can relate to this feeling, if I am understanding you correctly. Are you addressing how his turning the truck purchase into a struggle made you lose your feelings of joy about it? Has he done this to you about other things, too?

Was it far out of character for you to buy the truck without discussing it with him? His reaction depends on how your relationship is normally functioning. There are no right/wrong ways here, only how people decide to be in their communication.

Personally, I would buy shoes without discussing...but not expensive ones without discussing, lol. A vehicle purchase without discussion is unimaginable for me.

I agree, the nasty, hurtful treatment between people who supposedly love each other is not okay. It’s good to say ‘enough’, don’t engage, walk away, try to stop it from happening with better communication.