["Uncalled for" could probably be Pietro's middle name. That, or "Asshole".]

Wanda takes her cues from the people around her. She's decided that you're "like family" [Cue sarcastic angry airquotes], so she's going to assign way more importance to your opinions and actions than you have any right receiving. It's going to take me months to undue all the confusion you're causing her.

[He jabs a finger at Billy's sternum.]I don't want to see you anywhere near her from now on.