Here is the example picture.

This man's body exhibits relatively minor masturbation caused changes.

The right hand, the most likely hand to be the masturbating hand because most people are right handed, is curled up as if it is curled around the penis.

The masturbating hand of a person who masturbates will tend to "freeze" into the grip that it has on the penis during masturbation. The masturbating hand will always look like it is holding onto the penis no matter what the person is doing.

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One of the major changes caused to the human body by maturbation, is to make the shoulders slanted or uneven. The man's right shoulder is higher than the left shoulder.

The high right shoulder and lower left shoulder give both shoulders a slanted look from high on the right to low on the left.

Another one of the major changes caused by masturbation to the human body, is to make one leg appear short while the other leg appears long. The short leg will usually be planted on the ground, while the longer appearing leg will look like it is lifted up from the ground. The man's right leg looks straight while the left leg looks raised up. A person whose body is changed by masturbation will always look like they have one raised up leg.

The short leg looks shorter and straight because masturbation shrinks it. The left leg will usually look fatter and healthir than the right leg, as highlighted below.

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The centerline of the man's body is not vertical. Instead of dropping down between the center of the legs, the centerline of his body slants off to the right and cuts across the right leg as shown below.

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The man is not standing straight up. He is leaning into the car on his left.

The picture above can be used to present an interesting way to think about how masturbation changes the human body.

In the picture above the man's body is leaning to the left. Why?

According to the laws of physics, there is an equal and opposite reaction for every action. The man's erect penis is pointing to his left.

An erect penis could be described as an action. The laws of physics say that for every reaction, there is an equal and opposite reaction. Two arrows going the exact opposite direction of the penis direction arrows are drawn into the picture below.

The two new arrows in the picture, are pointing in the equal and opposite of the arrows indicating the action of the man's penis. That direction is to the man's right. The same direction the man's body is leaning.

The reason the man is leaning in the picture above, could be described by saying "The man's body leans to his right, to provide the required equal and opposite reaction required by the laws of physics, to the action being exerted by the man's penis to his left."