Cyst? On foreskin

I've had this

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cyst on my foreskin for some months. It feels like there's something on the inside like a smaller cyst or something like that. I really don't want to go to the doctor if i don't desperately have to because it would be awkward to explain to my dad. Should i be worried? I haven't had any sexual contact so i haven't gotten a std from someone

You’re growing a cyst on your penis, yes you should be worried. Sorry, but you have to find some way to tell your dad that you need to get checked. This might cause future problems if left untreated.