Answer:
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
Runs smoother than any rhyme, loves to fall but cannot climb!
Known to accessorize with feathers, trumpets, and harps.
It is the great nemesis of the lactose intolerant.
My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
When is it bad luck to see a black cat?