Barb, I think it was the younger D that FLTC asked to babysit, not the one getting into trouble currently.
But to play devil's advocate, FLTC could have offered his stbx the "right of first refusal" before having made plans, if he knew he would be away for a significant amount of time. Seems that his ex should have approached it that way, rather than just going ahead and changing what was set up.
