lil sis need help

Lil sis: why is there a red heart next to her name? who tf is Ava? is she the other girl? im sick and tired of faking like i don't see ur phone..... u holding a baseball bat at lil sisters bf Lil sis: when I see her name and u can't explain....... u step in You: WHO TF IS AVA!? ARGHHH! hits her bf in the face with the baseball bat