It is that "interest" that started you on the road to musicianship in the first place, and that same interest should carry you through to completion - at whichever level you wish to be at. With the right attitude there should be no pain involved, either mental or physical.
Music is an indispensable part of most people's lives, and more beneficial to our physical and mental health than it may at first appear.
Keyboard music training - even in its most basic form - is known to improve skills which require mental imagery.
Performing music in an ensemble environment teaches us to interact, listen and respond to others. Improvisation and Composition open up the imaginative and creative persona, whilst "Music Therapy" is at last gaining the support it deserves.