Cups 90% full all round, I'd say.

Bottoms up!

But, but... they won't be 90% full any more if we do that...

Tangentially, I was talking to my sister a while back about a friend of mine whose attitude to life is essentially "not only is the glass half full, but half a glass is exactly the amount I wanted". My sister and I agreed that we were more "I think somebody's knocked my glass over..."