You’ve obviously never drunk with a Scotsman 
Whilst often (unfairly, I might add) being regarded as somewhat fiscally constrained (or ‘grippit’ to use the local parlance), Scots are remarkably generous when it comes to sharing that very fine, amber-coloured Water of Life (‘Uisge beatha’ from which the word Whisky derives) Anything less than two fingers of whisky is an insult to a guest:
My father and his friends have taken the two-finger measure to new heights with their very own ‘hoose’ (house) measure:
Needless to say, a ‘session’ in their company is either very short for me, or it requires that I drink very, very slowly…