Always a bride's sister-in-law-to-be's son, never a bride

There is some mad craziness going on north of the border. My dad and nagymama and nagypapa showed up yesterday. We hung out in this church for a while then we had a lovely dinner. Today everybody is going crazy for Piki Bacsi and Martha Neni's wedding. They all have refused my help so far. I've offered to drive stuff to the hall, assemble centerpieces, do the bride's hair - nothing. They've accepted none of my offers of help. I feel somewhat slighted and more than somewhat miffed.

You know what I say to that: