Originally Posted by
CCIE_Flyer
Someday I'll retire from revenue travel and dip into my own mileage balance but in the mean time my best value is, hands down, giving family experiences they would otherwise never have (e.g. domestic F/int'l C).
Priceless.

Yes, upgrading your friends & family to C/F always bring joy to them, especially when they aren't elite flyers and often get stuck in back of plane.