Only if she thinks you're super hot and you hit her up immediately thereafter.
Something that I think slowly sank into the community understanding is that phone numbers are essentially worthless, within and of themselves. If she's into you, the phone number gives you a bridge to get her to see you again in person. But if she's not already interested in you, that phone number is not going to lead much of anywhere, in the vast majority of cases.
Can it ever lead somewhere? Yeah, probably. If you literally sat down and texted random numbers in your area code, you could probably eventually get a date. But that doesn't seem very productive.
I don't know where you live, but I don't even have an area where there are so many attractive women, it would make sense to go grab phone number after phone number with no real interaction, even if they were %10 as solid as a good interaction.
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Quote:
Build an emotional connection through your hard throbbing cock.
Build trust and comfort by holding their hands and covertly rubbing your elbows on their nipples.
RSDTyler