A bird in the hand is worth two in the bush

Stockholm syndrome

Warm beer and cold coffee are the same temperature.

Cold beer hasn't been around for that long in the grand scheme of things. When did refrigerators become common, like the 1930's?

Hmmm, yes, very wise

Better no beer than warm beer.

My favourite drink is the one I have, or the one someone is offering me.

A bird in the hand is... messy

or go to the UK and ask for an ale from the tap.

Ackchyually...