Desire is a manifestation of power.
The desire to play music is the power which can play music seeking expression and development; the desire to invent mechanical devices is the mechanical talent seeking expression and development.
Where there is no power, either developed or undeveloped, to do a thing, there is never any desire to do that thing; and where there is strong desire to do a thing, it is certain proof that the power to do it is strong, and only requires to be developed and applied in the Right Way.
All things else being equal, it is best to select the business for which you have the best developed talent; but if you have a strong desire to engage in any particular line of work, you should select that work as the ultimate end at which you aim.
You can do what you want to do, and it is your right and privilege to follow the business or avocation which will be most congenial and pleasant.
You are not obliged to do what you do not like to do, and should not do it except as a means to bring you to the doing of the thing you want to do.
If there are past mistakes whose consequences have placed you in an undesirable business or environment, you may be obliged for some time to do what you do not like to do; but you can make the doing of it pleasant by knowing that it is making it possible for you to come to the doing of what you want to do.
If you feel that you are not in the right vocation, do not act too hastily in trying to get into another one. The best way, generally, to change business or environment is by growth.
Do not be afraid to make a sudden and radical change if the opportunity is presented, and you feel after careful consideration that it is the right opportunity; but never take sudden or radical action when you are in doubt as to the wisdom of doing so.
There is never any hurry on the creative plane; and there is no lack of opportunity.
When you get out of the competitive mind you will understand that you never need to act hastily. No one else is going to beat you to the thing you want to do; there is enough for all. If one space is taken, another and a better one will be opened for you a little farther on; there is plenty of time. When you are in doubt, wait. Fall back on the contemplation of your vision, and increase your faith and purpose; and by all means, in times of doubt and indecision, cultivate gratitude.
A day or two spent in contemplating the vision of what you want, and in earnest thanksgiving that you are getting it, will bring your mind into such close relationship with the Supreme that you will make no mistake when you do act.
Exercise
Healthy body, healthy mind. Start an exercise routine which includes at least 15 mins of exercise 5 days per week