1461. The A word?

I thought you were s'posed to get sage
When you grew to a certain ripe age...
But I'm so forgetful
I rage and am fretful
Whenever my brain won't engage.
I'm 68 and sometimes find it difficult to recall names of people, movies, places, etc., or to voice the word I want.  My 'old' friends do, too, so perhaps it's a normal geriatric problem.  Besides, the word or name comes to me.... eventually.... usually....