This seems way too heavy to take someone to. The primary purpose of day 2, is to build basic comfort and provide opportunities to escalate(preferably ending at your place). I don't really see how a wedding is optimal in this.
As for the single girls, depending on the size of the wedding, yes it could be a good opportunity. Just don't spam approach every girl there.
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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