"lets chill at your place, i'll get the drink in (24hr garage)".
or blatantly lie (i live near you, share a cab)..then excuse (i need a wee)...women just need an excuse, not a good excuse.

And to calm down when approaching? Everyone gets anxious of approaching to some degree. You need to keep approaching. The more you do it the less scary it will be. Also check out Blueprint Decoded.

hope this helps