I found a way to make it easier to talk to girls, should I do it?

I am very shy, but i noticed one time i accidentily took a lot of robotussin, the stuff you get over the counter. It gave me courage i asked girls for their numbers 5 times at the mall, all the times i was rejected.

The one time there was this very hot girl i walked up to asked for her number and she gave me the real number. I felt she was too hot for me though.
I found a way to make it easier to talk to girls, should I do it?
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