first of all thanks for asking I am glad that I can help you. Few queries
*are you obese? how long have you had this issue?
*Do you have early morning ejaculation?
*Are you having difficulty in ejaculating/ are you having premature ejaculation?
*Do you have any history of local trauma?
* Any history of mumps
infection in childhood with parotid swelling?
*Any local sensory loss/backache/drug use?
*Any history of headache/associated nausea
*History of chronic kidney
*Have you checked your testosterone?
please do if not done LH, FSH, Testosterone, Prolactin
, TSH, free T4 , calcium and phosphorus Lab tests.
most likely it is pubertal breast enlargement. There is no indication to treat unless of course for cosmetic reason. let me see your lab results before confirming my diagnosis.