Gifts

It is really frustrating, it really bothers me.
If it was once or twice, i would ignore it. But it is everytime
And they are well-off, my fil-to-be earns alot, my fiance is their eldest son
And my mil-to-be, is not kanjoos at all, she buys alot of gifts for others, but only when it comes to me....
I always sent nice gifts for her other kids, I m thinking of sending nothing to them in the future