[Saweeep]

I think sangria is a good idea. Bitches love brightly coloured drinks that don't really taste of alcohol.

However...there is another con imho:

If you are intending to get the girl drunk you'll be forever refilling glasses and consuming a large volume of liquid.

To me, the end of drink/replacement moment, along with the pop to the loo moment, is one of the dangerous times when alone with a woman. It is a massive opportunity for an inexperienced player to fuck things up and both apply here