Prayer and fasting! umesema you are a believer. This is what i advise you to do.Look for a few sermons that speak on this area (sexual addictions and adultery) , listen to them.
Kama utapata shida kuziona niambie i will suggest to you a few of them unazoweza kuzipata youtube na zitakusaidia i hope.Then you need to get into prayer and fasting, and by God's grace you will be relieved from the bondage that you have been placed in.
huo ndio ushauri wangu" for moore help number yangu hiyo hapo icheki whatsapp