Carelessness is a Crime?

I am so careless i lose everything i get and i can't help it it's a habit mom is taking away all my money and i cant go away until i prove to her i can me more careful with things my uncle got me a timex sports watch and he was vivting us for a bout a month and be fore he left to go to new york i lost it . i lost my ballet shoes, i forgot my cell phone case in a hotel and a maid stole it Can u please help me on proving to my mom i am a resposible teen .Thankz much><....