Answer:
When young I am sweet in the sun. When middle-aged I make you gay. When old I am valued more than ever.
Weight in my belly trees on my back nails in my ribs feet I do lack.
To cross the water, I'm the way. For water I'm above, I touch it not and truth to say, I neither swim nor move. What am I?
What body part is pronounced as one letter, but written with three, only two different letters are used?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.