[Since Heine was so generous in complying with his request, Eames floored it to try and close the distance between their cars, weaving in and out of traffic recklessly.

It was a while before he answered, he was so focused on his task.]

Not necessarily 'want' to but it might be the quickest way to get an honest answer. It's not without its risks though. Elena is highly trained and will know we're there as soon as we get there.