How do I change my address?

Since my teenage years I was fascinated by my fitness and physique. This resulted in a lot of hours training and
trying many different ways to achieve my intended results.
 
By nature I am an adventurous sporty type. Also during my travels there should always be an adventurous and sporty
element in it. Also, I always find a gym abroad to experience how Personal Trainers are working there.
Through these experiences I became eager to turn my hobby into my profession.