How can I stop touching my penis with no reason,please tell me.
Just don’t touch on it
You are the lord.
Go practice some exercise phisical or mental. Or socialize.
Tie your hands.
Each time you are tempted, imagine it is not your penis you want to touch but something you find disgusting. That should deal at least with the erection and arousal. I know it is not fun to do it in the beginning, but if you make this into a habit, believe me it will get super efficient
Good luck man