Learn about it yes.
Also, delete everything. Every porn and chat sites you have on your computer, in your bookmarks... Block all your skype contacts, delete your account.
Block the websites using a site blocker, I recommend Clod Turkey. Enter the website you want to block and block them for a long period of time.
Use BlockSite for Android.
And then focus your energy on building the new you. Spend time outside, read, discover new activities...
Also, open a journal here