Aching breast and other things, what to do?

There isn't enough: Info to provide a helpful response. You haven't given us info about the 'other things'. Medical evaluation is a prudent option. You can clarify and re-ask.

Breast Pain: Seek med eval to know. Causes of breast pain can include cysts, prior surgery, trauma, medications (oral contraceptives, infertility tx, SSRI's), large breast size, premenstrual syndrome, ovulation, period & pregnancy. Your Dr can help determine the cause.