My dad does the most embarrasing things when hes around guests... do yours do the same ?

well just now really this guy came to our house to visit and suddenly my dad has an itching spaz attack , he sticks a ****** fork up his back and itches it ... im goin red like **** and my heart beats fatser than a bludy cheetah , i look at the guest and he holds in a little chukle i can tell .... so i race upstairs and wrtiing this question ... wtf do i do ?? he wont listen to me when i tell him not to do **** like that