The effort of being a professional model

Being a professional model is not an easy thing .You have to deal with the problems at work , problems at home and you have no time.Models who are professional models work up to 10 hours everyday .They are always working ,and traveling for business all over the world.What does it takes to become a professional model?To become a professional models you have to renounce from lots of things that you like and you should always follow your diet program and your fitness program