Is she trying to sound likable?

My sister is ugly and she is like always talking about how she has many friends on Facebook and She just NOW said "hey alot of people liked my photo and two dudes" and I was like IDC! And she thinks she's pretty and always says stupid stuff to pobabllu make me think people like her..like no what am I supossed to say? AND NOOO IM NOY JELOUS OF THAT ADHD GIRL