Greg: I'm worried about Hubert.
Rob: Why?
Jack: Me too.
Greg: Since he started dating Marco he has changed so much
Greg: He's not himself anymore
Jack: He used to be so joyful
Jack: Now he's silent
Rob: True
Rob: We barely see him 
Rob: Do you think he's unhappy?
Greg: Possible.
Jack: Maybe we should talk to him
Greg: I've tried already...
Greg: He thinks everything is good. 
Greg and Jack are worried about Hubert. Hubert seems to be too silent since he started dating Marco. Greg talked to Hubert, but Hubert says everything is alright.