Stinging feeling under nipple?

So I’ve been having this problem for about a week now and whenever I touch my nipple or just move around in general I get this stinging feeling under or right beside my nipple. It doesn’t happen everyday but I still get extremely worried and I’m a very paranoid person. I also have this problem where there’s like a... show more So I’ve been having this problem for about a week now and whenever I touch my nipple or just move around in general I get this stinging feeling under or right beside my nipple. It doesn’t happen everyday but I still get extremely worried and I’m a very paranoid person. I also have this problem where there’s like a hard lump like right between my crotch and sometimes it hurts and is itchy, and when I searched it up it said it could be a lymph node and it could be a sign of cancer so that just made me even more paranoid. I’m panicking and I can barely breath right now so please help! Btw I’m a 15 year old male so I don’t know if this could be puberty or something. Also I am overweight and do have man boobs so I don’t know if that has anything to do with it. Just please please help.
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