go out with, keep company with

I go out with Minsu.

私はミンスと付き合います

I went out with Minsu in my university days.

私は大学時代にミンスと付き合います

I went out with Minsu, whom I met in a club, in my university days.

私は大学時代に部活動で出会ったミンスと付き合います

I went out with Minsu, whom I met in a club, for a long time in my university days.

私は大学時代に部活動で出会ったミンスと長い間付き合います

I went out with Minsu, whom I met in a club, for a long time in my university days, understanding each other.

私は大学時代に部活動で出会ったミンスと長い間お互いを理解しながら付き合います