Ok a tad bit of a story first. FMIL is one of those people that always thinks you are talking down to her instead of level with her. She gets flustered for the dumbest reasons.
Fast forward:
FI and I would like to get a rough estimate on how many people are going to be invited to the wedding so that we can estimate what the dinner is going to cost us and what we each will need to save out of each pay check to pay for this darn thing.
FMIL is in the process of putting together their family and friends list for his sisters wedding but will not give us a copy of it so we can add them in and see where we are at right now with the count. The only thing she will tell us is that they have 77 friends on the list. That does not do me any good.
Any suggestions on how FI can talk to his mother without hopefully getting her flustered and give us a rough copy of this list?