Relationship advice needed 22M

So I really like this girl 22 F from college we both r single rn and it's mutual aswell she is good at lot of different and cute aswell I want to like wife her up lol but the problem is I feel like I want to have multiple partners or experiences aswell but I don't want to let her go and i don't wanna cheat on her aswell, I don't wt to do atp can anyone share their experience or advice?