How to find common ground with ex-boyfriend?

We have mutual acquaintances with my ex-boyfriend and see each other very often but dont speak. How to find common ground with ex-boyfriend? or:We hav

We have mutual acquaintances with my ex-boyfriend and see each other very often but don't speak.
How to find common ground with ex-boyfriend?

or:We have mutual acquaintances with my ex-boyfriend and see each other very often but don't speak. How to find common ground with ex-boyfriend?

or:If you still have his number, ask what his favorite movie is, favorite color, etc. Possibly play 20Q the next time you hang out. Just talk!BYEZ!theonlyone

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