A
to start a relationship incorrectly, negatively
to get off on the wrong foot
to use someone's efforts, hard work for one's own success
to ride one's coattails
to stop fighting
to bury the hatchet
to build bridges
to have known someone for a long time
to go way back
to disagree strongly
to be at loggerheads
to put pressure on someone
to put the screws on someone
to push one's weight around
to be similar to another person
two peas in a pod
to make peace
to extend an olive branch
to understand each other
to speak the same language