The start of an old hobby

Today I started working out. It felt good to my body and my first instinct was to go hard and do everything. Then I figured that would not be wise. Even though I did not over do it my body still kind of hurt. Which was to be expected with the act of wroking out and doing something my body hasn't done this in a long time.. But man did it feel good to be active again. My main prayer is that my motives for working out and wanting to be healthy wouldn't be an idol or an obession. I can be active and it be christ glorifying. I just struggle with being so self consumed so then I started to think if I should be doing it. I believe that I an I just have to pray and fight this thing out so that my heart is change. I know that if my desire is to please the LORD Then he will work it out that in my heart and motives are pleasing to him. My hope is that God teaches me humility through all this and that I grow in my fear of the LORD daily.