Replying to Mom stole my lift tickets. wtf

i got two free lift tickets from my local hill b/c i cut my knee open and went to ski patrol. they have me fill out a survey on their service and mailed me two free lift tickets. cool. i dont need them cuz i got an everyday pass but i figure i can always give them to a friend whos got a once a week pass if they wanna go twice one week or something. so mom steals the lift tickets and justifies it by saying that she payed the doctors bill. wtf, im the one who sliced my knee open and got seven stitches and have subsequently been sitting on my ass the last two weeks. i figure at least splitting them is fair