How do I deal with this 😭

My main reddit account is known to my batchmate..... Mostly it contains study stuffs but I wrote something about masturbation and some other stuffs.... That guy in my batch went through all of that .... 😭😭 Yeah it's my fault for enabling the private settings .... I made a huge mistake.... How do I deal with this.... He said noone saw it only I read 90 percent of things dw noone knows about it😭😭😭😭😭 how do I get over this 😭