Sit-ups are very effective, just stick to them.

It depends on your determination to think that it is difficult to persist.

There is another one that I have been using.

But it's not for you to be a man

Belly dancing-of course it can be ignored.

Slender legs, pedaling on the bed before going to bed at night.

I always insist on being very effective.

According to the magazine, dozens are enough, and gradually increase, and it is best to earn 100.

Then add more muscles to the legs after massage.

Men shouldn't mind muscles, should they? It's up to you.