I admire this spirit, I really do.I don't want to sound like a dick but man up. Don't let someone just say no just because they don't want it.
Now you know the possiblities of infestation are well..none. So take the chance and order them then see how it goes...and we all know there won't be a problem. So just show them whats up.
At least he'll have all of us on this thread to keep him company before he goes to sleep on the couch....