How is “in common” used?

In Uncle Frank (2020), one line is: “We have so much in common, probably. Yes!”

Which movie is “in common” from?

The clip at the top of this page is from Uncle Frank (2020).

by everyone in a group

Heard in 49 movies

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

We have so much in common, probably. Yes!

Said in 8 films · #1