perhaps in your fancy american universities, but ve in der people's republic of australia shun such soical contact; besides, the sun makes my skin burn. we DO have the ozone hole, you know...
actually, some people seem to be getting along, which infuriates me... in my lectures last year, a boy and girl in the very back row kept me alertz: i think he kept tickling her knees mercilessly, while she struggled not to laugh out loud: the resultin squeaks were marvellous... unfortunately, like the good scholar i am, i sat at the front. CURSE YOU, TIERED SEATING!!!