Why would he do that if he knows she's following him? Because he didn't?
If he didn't know she was following him, then why did he take a taxi?
VirginiaR. "On the long road, take small steps." -- Jor-el, "The Foundling" --- "clearly there is a lack of understanding between those two... he speaks Lunkheadanian and she Stubbornanian" -- chelo.