[header] How to reject someone nicely [title] Prepare yourself. [step] If you feel ready to turn down the romantic interest of someone after a couple of dates or a handful of social interactions, you've hopefully already thought through the consequences. You should be confident that this guy/girl isn't for you, and accept that any existing friendship may never be the same (or even survive). 
Make sure you also prepare for the act of rejection as well. [substeps] Think about what you'll say beforehand.