Re #4 - I'd tell the joke about UDP, but I'm not sure you'd get it.
#23 reminds me a bit of the joke about two behaviourists having sex, and afterwards one of them says "so that was great for you, but how was it for me."
#23 reminds me a bit of the joke about two behaviourists having sex, and afterwards one of them says "so that was great for you, but how was it for me."