I am very good at resisting temptation. You'd be surprised!
And, no, a champers hangover would not be a good idea tomorrow...
However, you overlook one small solution, Cookie: don't open a big bottle. Just open a split. Not too much to drink, no leftovers to go flat... the perfect solution!
But, I am still resisting...
"Two drifters off to see the world. There's such a lot of world to see. . ."