You show me your friends, I will show you your future meaning?

You show me your friends, I will show you your future means that if you hang out with losers, you’ll become a loser too. If you hang out with winners you’ll become a winner too.

Example:

If you hang out with people that are always in the gym, keeping their body fit and healthy. Then most likely you will ended in the gym keeping your body fit and healthy.

Example:

If you hang out with business owners. Most likely you will ended up being a business owner.

There reason for this is whether we like or not we are influence by the environment that we live in.