[ Of course they wouldn't make this so easy to game... But better to check out the easier options first than dismiss that possibility for being too simple and regret it later. ]

I just needed to fulfill my objectives, and it just so happened that team's goals aligned with mine. Since I found them interesting, I decided it wouldn't hurt to join them on their journey while working towards my own goals.

[ That explanation may be pared down, but it gets the point across without implying how unequal the arrangement was (in his favor) from his point of view. With or without him, they would've succeeded in gaining their happy ending.

Lacking the ability to use telekinesis, he'll just settle for landing on one of the file cabinets and using them as a road instead. ]