Guys, can you tell when a girl is putting on a fake personality?

Anonymous

So this is a weird question I know, but my personality is genuine and not fake at all.
My sister puts on a fake personality around guys. She is insecure and thinks the guys won’t like her. Whenever she has a boyfriend and we end up hanging out together, they end up liking me!!! 🤷‍♀️ It is so messed up, but I don’t put on a personality and a lot of my interests are similar to guys cause that is just who I am. I know they don’t end up liking me cause of my looks (photo of me below) my sister is ten times better looking than me. I can’t upload a photo of her sorry but trust me she is way prettier than me.
Around guys I am genuinely who I am, and all the guys my sister dates end up chatting me up, is it cause they know my sister is being a fake?

Guys, can you tell when a girl is putting on a fake personality?
Guys, can you tell when a girl is putting on a fake personality?
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