I know nicotine restricts blood flow, so does the tar that layers your lungs, anything restricting blood flow is bad for erections and for [words=https://shop.mattersofsize.com/products/sizegenetics-penis-extender]penis health[/words]. Nicotine is also a substance that will make you stressed even though you think your relaxing when you smoke, you aren’t. Being stressed reduces appetite, makes you cum fast and makes it harder to get an erection.
Up to you but blood flow is really important in Penis Enlargement.