my sister confessed to me that she had multiple sex partners like about not more than

[Vienna]

20 guys! omg!? pls help me guys, she slept with like about 18 guys, 5 of them shes said didnt use condoms, but she made sure that she had sex with are guys she really knew and trusted,and she really chooses carefully, what should i advise her? what are the diseases she might get with?as an older sister i really got mad its our secret and i dont want ofcourse to tell our mom. she is really hot that is why the guys who want to have sex with her are the guys she really wanted to do it. she said she's really enjoying it,she said that shes not a nympho, bu whenvr she feels horny u know.. she wanted to do it only with one guy but shes still single, and told me that shes stillwaiting for the right man, what advice would i give to my sister, would she have the risk of having hiv even if ur sure of the guys u slept with?cuz i know even if u had sex with only one partner u still have the risk of having an hiv that if your partner has right? thank u.. pls hope ur advice wont scare us.. god bless!