When shaving, make sure you are very careful where your sack connects to the rest of you. Same goes for the base of your cock. I normally shave my shaft and sack, but I've learned not to go farther. The reason is it iches for me. For others its fine.

I suggest you start with just the shaft and sack. After you are comfortable with that, then try farther.

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The world is a wonderful book, one we should all learn from