sex for the first time

so today I lost my virginity to my best friend. he and I are not in a committed relationship but we are at the dating stage. the sex was great & no awkward at all but he popped my cherry early on so we stopped. also I tried going on top but I couldn't get his penis to go inside. is that something to be embarrassed about? I mean we were both enjoying ourselves & just like what it went back to just kisses & both of us still in the mood for more