I've got a slight problem

Ok, so I'm 16, haven't had sex, and only dated 4 guys, I love having a long term relationship and I've been with my man for over a year now, and the guy before I was with for almost a year, but I feel like in between the 2 relationships, I didn't get anytime to like, Idk, be single, and this guy is the guy of my dreams, an absolute blessing, everything I want and more, I love being with him, but recently I started thinking abt how if we stay together for years and years more, then I won't really have gotten to have the experiences a teenager does, I mean all I ever do is school work, sports, and see him, don't get me wrong, I love seeing him, but he doesn't exactly please me 100%, and we talked abt it last time I was over and it will hopefully be better next time I see him, just have to wait and see. But also, I've started thinking about another guy, I haven't done anything, he texted me 1 day after somebody close to us passed away, checking on me and so I checked on him too and didn't talk for more than a few mins. I saw him the day before in school and he acted like he was gonna fight me and I was like haha and we went back and forthfor a min until 1 of his friends said he wouldn't pull me off of him if we started fighting, and the guy said he wouldn't be complaining. I laughed and walked away and he said, I'm jk and patted me on the back. He's nice, I wouldn't date him, but I've been thinking abt him and I know it's wrong and I've been beating myself up abt it. I told my boyfriend abt how he texted me, but not abt what he said in class. I just need to straighten myself out because I don't wanna risk losing my man but I'm also thinking abt how I won't get to experience new things.