Can u stop wear on the thighs on hipster jeans without it wearingout and fading but continuing to wear them?

I have a pair of hiphugger bell bottom jeans and i have to wear them because i cant afford a new pair. on the thigh area below the crotch, the fabric is fading, becoming thinner, and wearing down. PLEASE someone help! i cant afford to get another pair. what can i do to stop the wearing. i have to wear them for at least 9 hrs a day cause i cant wear shorts to school. what do i do?