bitter the taste in my mouth

"Buck stares at the silent sway of the stranger’s hips as she adjusts her skirt and walks away, his throat tightening around a laugh and some bile, but nothing resembling a proper goodbye. He used to get most of their names – asked for plenty of phone numbers, too – but he hasn’t bothered with questions for a while now.He thinks he stopped caring some time before that.Or maybe he just wants that to be true."*****Set at some point in the future, probably late 5B, when Buck's self-destructive tendencies have returned and Christopher accidentally calls him out.