glans spotting/marks good day ....im 57 ..white male...170 lbs.... i have a penis question on a problem i just noiticed recently...my history: i have been taking flurazepam for sleep for years unfortuntalely and though id like to taper off right now is hard to do...ive been under some stress now due to financial/house etc.......I have recently noticed faint dark very thin lines . and also some dark spotting near the end of my penis... at this time i have no problems with them ..also none with urination at this point ,but am concerned...btw...i do have the odd (maybe once every couple years) moderate psoriasis condition with dry skin on elbows ...no real redness...just dry cracked skin.....i have this happening on one elbow now... suggestions welcome on what could be the casue of my penis marking/spotting problem?