We're both constantly penetrating your mom
Kid: Mom's last name must be "Darling" because that's what Daddy calls her every time.... Teacher: That's so sweet. What's her first name then? Kid: I think it's "Sorry"....
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We're always penetrating your mom
They have the ability to penetrate both holes at the same time. explanation(http://en.m.wikipedia.org/wiki/Double-slitexperiment)
When you are a type of radiation. No one wants someone who can't penetrate well.