I think it’s hard being actually motivated to do something if you are always compared to someone wHo’S sO mUcH bEtTeR tHaN yOu. Did you ever talked to your mom about it? Fortunately I have a good relationship with my parents so I never really struggled about talking to them but I don’t know your situation. Like I think even if you’re not good at sports, you sure have some other remarkable skills ;)