To hit it off
To make up
To be made for each other
To break up
To ask sby out
To fall for someone
To have a crush on someone
To end a relationship
When two people are a perfect match
To get along well with someone from the first time that you meet the person
To ask somebody to go on a date with you
To begin to feel love for someone
To become friendly with someone again after an argument
To have strong feelings of love for someone (often for a short time and with no results)
