question: 3 weeks before I masturbated at night and slept.. Next day morning I noticed an uncomfortable feeling on my Penis.. A feeling of pressure.. I was not able find out what was going on. I stopped masturbation for 2 -3days and it subsided but not completely.. After that I again started masturbation and the feeling came back.. 1day ago I noticed a lump under my Penis.. What is this thing and how clan i cure it..pls help