College Cheater
Fuck one and play it by off. Don’t brag about her just fuck one then another the en another.
Just keep buying lube and jerking off. It's probably as close as you gonna get.
Cheating is cheating. If your girlfriend will be with another man for the same reasons, would that be okay with you?
If you're 18 my suggestion would be leave your GF then you can fuck all the pussy you want.
if u share tech commonly or she looks at ur phone from time to time don't leave a trail. even this website. delete browsing history. incognito etc.
if ur gonna use an app to communicate - use one especially for cheating. turn all notifications off. put it in a few folders deep on ur phone etc. don't want ur gf picking ur phone up and reading the front.
start taking extended periods away from her. develop an excuse for your 'hobby' like gym. something she's not into. use that as an excuse. develop a few - or have a buddy who covers for u then say ur gonna spend time with them and they can confirm it later on. have a cover story etc.