Working out with friends is a great way to build muscle. The motivation that comes from friends can help you push yourself harder than you would if you were working out on your own. You need to push yourself as hard as you can every time you workout if you want to see maximum results.
If you want to build muscle and look your best, you need to eliminate junk foods from your diet completely. Good nutrition is critical to having a great body and building muscles. Even if you are not a fan of vegetables, you need to eat them and give your body a nutritious diet to build muscle.