"Have something in common" is a phrase that's often used to describe shared experiences, interests, or characteristics. For example, if two people "have something in common," it means that they share some kind of similarity or connection. This could be anything from enjoying the same type of music or food, to having a similar background or upbringing. It's a phrase that's often used to describe the basis of a friendship or relationship.
For example:
I didn't realize that you and I had so much in common. We should hang out more often!
I think the reason we've become such good friends is because we have so much in common.
I was surprised to learn that we have something in common - we both love reading science fiction novels!
It's so nice to meet someone who shares my interests. We definitely have a lot in common.
