Talk to her first before asking for her number. A quick conversation boosts your chances and cuts rejection. The exception: fleeting moments like a grocery store line where you'll never see her again.
Chapters
try to get to know her a little bit first if you can. Now, I totally understand that sometimes we're in a situation where we may never see this person ever again, right? You're standing in line at the grocery store or something like that, and you may never get the opportunity to talk to her again unless you, like, get her number right now. And that's totally okay if you are in that kind of a situation. Generally speaking though, if you can get to know her even just a little bit first and talk to her just a little bit first. This greatly increases your success rate and helps you avoid that rejection.