People who wonder whether the glass is half empty or half full miss the point. The glass is refillable.
– Author Unknown

When I was younger I used to see
My life as a glass half empty
My present life I would view
Pessimistically, in a bluish hue
My future, on the other hand
I would imagine to be grand
All my optimism was reserved
For the future I thought I deserved
The glass that I viewed as half-empty
I expected would be filled, eventually..
**
Hurtling towards middle age these days
I have obviously changed in many ways
Many aspirations of younger years
Have been realized, others have disappeared
Comfortable at the place I am right now
In the journey of life, I view somehow
The glass as half full in my life at present
It could be filled some more, but I am content
The optimism of future has been replaced
By an optimistic present; now I face
The future prospects of aging and its ills
I must admit that pessimism sometimes fills
My heart when the future I contemplate
My life is best in my current state..
**
The gist of my rambling verse is this-
Partially full the glass of happiness always is!