The teacher just wants some hard D ... can't blame her with her husband's lack of ... desire (and/or erectile dysfunction) ... but then again she shouldn't cheat. She has done almost everything except penetration with her neighbor and in a big way she is cheating regardless.
I AM happy that the MC decided 'eff it, I'm going in, cover me' even with the eventual 'Gallus gallus domesticus Hexahedron'.