Stew Smith https://www.stewsmithfitness.com and Jeff Nichols (https://www.performancefirstus.com) discuss finding a group a like minded people to make yourself better with. Iron sharpens Iron and when you find the right tribe you can see your performance increase to new levels. 

However there is a flip side to finding your tribe that is not helpful when that tribe becomes too much of a clique and drives your mental / physical performance in adverse ways if you are not careful. 

Check out this podcast that discusses both sides of the coin on finding your tribe.  Check out other videos of combat swimmer stroke, workouts, and other spec ops related training.  See http://www.stewsmithfitness.com for more information about military, law enforcement, special ops, fire fighting training programs.