Please do not make other plans immediately following the date.
A gentleman will ask you for a weekend date by Wednesday.
If he asks you out for the weekend on Thursday or later, the ladylike thing to do is to schedule no more than Sunday brunch with him.
Thou Shalt Act like a Lady This means being polite and follow common laws of etiquette such as saying "please," "thank you," and "excuse me." Do not cuss.
Men admire, trust and respect women with good manners.
It's important to remember that even if your date is not your dream guy, you are gathering information and experience, called Dating Data, that you will use on future dates with someone more to your liking.