Do you think excessive sleeping around is damaging

Now I'm in no way slut shaming. Even though I personally don't sleep around doesn't mean I'm judging those who do.  I'm just concerned about one of my closest friends.  She is 22 and is away at college.  She sleeps around with a new guy almost every week, she is on tinder and meets loads of guys all over the place, she sometimes goes to them, or has them meet her at her apartment, or sometimes even her parents house.  It's all within the past year, and she doesn't just sleep with them and move on. I feel like she gets super attached to them for like a few days , she does nothing but talk about the guy she is currently hooking up with like they are in a relationship.  Which is never the guys intention because they always disappear after a few days.  I feel like her entire attitude is different.  She is rude and negative all the time. She is cutting out family for stupid reasons. She is just a different person. I am  just wondering if anyone thinks that someone can emotionally damage themsleves by doing this.  I feel like she is doing it because she has horrible self esteem and it makes her feel good to be wanted for the night.  But I feel like she is hurting herself in the long run. What are your opinions?

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