We are both constantly penetrating your mum.
His mum had been a wafer too long.
asked his mum. 'Because my new sneakers hurt.' 'That's because you have put them on the wrong feet.' 'But they are the only feet I have.'
Because they make up an awful lot of stuff. EDIT: Because I forgot about neutrinos.
We're both constantly penetrating your mom
They have the ability to penetrate both holes at the same time. explanation(http://en.m.wikipedia.org/wiki/Double-slitexperiment)