Unwanted Zits

According to its definition...

Acne known as Pimples is a common disorder developed in teenagers and at times in young adults due to the inflammation of skin, as superficial skin eruption caused by the blockage of skin pores.

But i'm no longer a teenager nor a young adult...but why? the irritating part here is, once it's gone, another one pops out...arrrggghhh...am i trapped in a teenager's body? *i soooo wish* :-p