get on like a house on fire

To like each other and get along well immediately on first meeting.

To make someone feel deep emotional pain, often by ending a relationship.

To do or say something that eases tension and gets people talking comfortably in an unfamiliar social situation.

to reconcile with someone and bring a quarrel to an end

to get in touch by sending a short note, message, or email

in the same difficult situation as other people