Anonymous wrote:I wouldn't jump to such a dramatic reaction. Let things calm down.
+1 their behavior is bad and over the top but if you react in kind, it will only make the situation worse.
Once you've calmed down, sit them down and lay out for them how much monetary support you've provided and are continuing to provide for them and how their behavior was inappropriate. Right now, they don't value what you're doing because until now, it was just expected that you'd support them. It likely hasn't clicked for them yet that they're adults now, real adults (no matter what is said about "adultolescence" in pop culture) so they need to be grateful for the help they're getting.