help!!! thick thigh issues.

so i have big thighs & when i walk they always rub together. And so my inner thighs have like bruises and sometimes get like bumps on them. any suggestions on how to prevent this? or why i have bruises?

i am so insecure about this cause i have never seem any other girl with bruises on their inner thighs so i never wear like a bikini because i’m scared people will judge me. any ideas to help me? thanks. :)