idk how else to word the title lol 

Luther: He isn't very verbal and grunts when he means "yes" or "no" etc.

Diego: He plays with his knives more often and tends to come home late

Allison: She watches you and turns away when you notice

Klaus: He just flat out tells you

Five: He works much more

Ben: He smiles at you to play it cool

Vanya: She stays to herself and plays much more violin than usual

Sissy: She sighs often and looks worried-ish, but tries not to show her jealousy/anger (which makes it adorable and you can't help loving her even more)

Lila: She gives you the cold shoulder