You can't go to a guy's house because his parents are there — but I can also blow him in the elevator

That's the risk - someone might have seen me cramming it in the entryway

Parents at home — students had to fuck in the entryway

We had to suck silently — we're in the entryway, after all

You can't go home because your parents are there, but you can also give a blowjob in the entryway