clipped from: briankim.net   
Weight lifting has definitely changed my life.  Ask any person who has taken up weight lifting and you will get the same response.  I guarantee it.

So why should every man lift weights? 

Testosterone.  Yes, that one hormone that literally defines our masculinity. 

Testosterone helps you achieve your goals period. 

How can we increase testosterone levels?

By lifting weights and gradually increasing the resistance on a consistent basis.

Enough talk; on with the benefits

Improved concentration and focus.

Sleep like a baby

Wake up early

Energy

Happiness

Mental toughness

Great habit

When you start lifting weights and begin to see all the positive benefits, there’s no going back.  The benefits will drive you to keep on doing it, which continues the cycle, which then inevitably installs a great habit.    You’ll feel more happy, energetic, focused, tough, accomplished and you won’t want to let go of the cause. 

become like a bull and charge your way through life

You won’t regret it. 

I guarantee it.