I don't. Just seemed to fit the metaphor.
How do you know... What blood type I am?
Of course, you're type AB. Universal recipient, you take from Everybody. Of course, you're type O. Universal donor. No wonder you're paying three alimonies.
Of course, you're type AB. Universal recipient, you take from Everybody. Of course, you're type O. Universal donor. No wonder you're paying three alimonies. [SEP] How do you know... What blood type I am? [SEP] I don't. Just seemed to fit the metaphor.