How to get her to fall in love with me?

So i know this girl for 2weeks. At first wen we meet i wen up and said hi thn she gave me her kik then we talk. The following day she invite me to a basketball game. Then i went and we just hung out. I was trying to kiss her cheek before she left instead she gave me a kiss. So the following week we just started to make out everytime wen we have free time in school. There wasnt school that following day so i went to her house then we talk and kiss and made out. Then she got real horny then we had sex ( condomed) after tht she told me she was glad tht i didnt say i love you cause that would be awkward so i was like okay? And before i left she told me " dont think im the right one or you" and i said nah im cool. Thn i left. I never texte her eversince. Thats 2 days ago. So she doesnt look like she likes me because of my personal or anything like tht. She just want my dick. But i dont think i can live like that knowing one day our relationship is gunna end. So i need help on how to get