Not bad, I'd like to hear previous excuses, but for now this is ok. I find it funny that the cell phone is so BIG! He has the microphone by his belly. Also, this cell phone is gigantic compared to his Blackberry from his 'blackberry' phase. Now I'm being nit-picky. Sorry.
Hey -- you want a really funny line to use for wrong numbers? Watch the movie "Ruthless People"; Danny DeVito uses one that you have to hear to believe. 8)
It's not like anybody MAKES you go to the dentist (unless you're a kid)
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Besides, rodent teeth (Rodent-dentia? Sounds like a nasty flower!) keep growing throughout their lifespan and need constant grinding to wear them down.