Never, EVER bring this up.

[MrTiger1219]

One thing you should never bring up on a first date:

...Diarrhea.

Even if you have the best diarrhea story EVER, never a good opener.

 

[sleepinbeauty]

true that.

 

[Elli21]

I have to ask Why not???
Start as you mean to go on and all that!