He's indiscreet concerning Tennyo's lab work when Fey is being tested, and verbally reprimanded and banished from the room. With Timeless, he's a bit impolitic, discussing excavating crystal samples from his skin; while it would be nice to examine the crystals, digging them out for analysis isn't going to happen. He's really pleased with all the testing they get to do with Phase: Sean gets drug in to be a victim for the Sirens. He's quite the good sport about it. What am I saying, he's a true Powers Testing Geek!