The fact is, I don't think I can be your room-mate anymore. You're always drunk, and you live like a pig. Frankly, you disgust me!
But you're a big, icky roach.
Next to you, I'm the pinnacle of evolution! My species attained perfection hundreds of millions of years ago, and has remained virtually unchanged ever since.
You, conversely, haven't changed your underware since Friday.
