A Maths Prof. sent a SMS 2 Wife,"U r 54 yrs & unable to satisfy me.So I'm with my 18 year old Gf & will b late
She replied,"Darling u r also 54 yrs & I m with our 18 year Old Driver. I hope u being a maths prof can understand tht 18 goes 3 Times into 54,But 54 doesnt go even once into 18,So take ur time.