doing all bad things and lied to my parents and guardians

1 n a half year ago i saw a very preety girl.after seeing her i fell in a true love with her.but just after 4 or 6 months she disappears.i couldn’t told my feelings to her.in frustration i had written a love letter from my blood.my mom caught that letter and asked wat is dis?i told her that my friend gave that to me for kepping for some days.after few months i started unintentionally masturbating.till then i kept doing that.but from now i will leave all bad habits for her.and one more thing for finding her i had cheated her younger sister.for my sins forgive me god.and make both of her as my frnd