Help me!! Please

So I’m not in highschool yet but I came here cause y’all have more experience so I’m 13 years old 14 in 2 Months I’m dating my boyfriend he’s 15 and lives miles away in a different state we talk everyday and ft but he keeps asking me for nudes and shit but I don’t wanna send them it makes me uncomfortable and I keep telling him no but he keeps asking he even says “send body picks with clothes on” but that still makes me uncomfortable I can’t talk to him at all without him keep bringing it up I tried breaking up with him but I’m in hella love with him and I love his personality’s but he always says sexual things around our friend welp my now friend his Bestfriend but it makes me hella weirded out and uncomfortable cause I don’t wanna do that shit someone please help me please! What should I do.