Why did my ex behave the way he did?

Why did my ex behave the way he did?

Ex tells me “You can’t negotiate a gift” but not in a nice way. Why did my ex behave the way he did? This video was recorded on the 3rd of November 2020. https://youtu.be/4cTLS8PhKeE I was in a place of grieving, in shock from how my partner of the...