Brother CMK,

Great story and interesting event , envy !!

Reading between the lines, you are having some very special feelings with the sister, the fact that you had stopped punting was a fair and important pointer. If you are serious about your relationship with the sister, double dating at this stage is not a good idea. Especially after the recent incident.

Don’t think you should risk it, never know what the ML friend may or may not do.

May be we can talk more privately .

Cheers