Why didn't anyone tell me that saying high to women works?

At my university I literally got like two women's instagram accounts by saying hi, they initiated interest, and we chatted and exchanged instagram accounts. All these 27 years of my life I was afraid of getting looked at as a creep for wanting to talk to women but I never realized how easy it is to talk to women and when one doesn't seem interested I move on.

The only problem now is that over the summer I dated a woman in Baltimore and she gave me cold sores.
Why didn't anyone tell me that saying high to women works?
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