Their opinions have many common points.

These two planes are coplanar.

Let's definitely go to see this movie together.

He studied deeply about communism.

He has a rare synaesthesia where he hears sounds when he sees colors.

I am studying Japanese.

We prioritize customer satisfaction above all else.

We will do our best to solve this problem.

Their relationship is codependent, they depend on each other.

He and I share a lot of things.