Why are you apologizing? Earth was shitty, but it didn't suck all the time.

[Just most of it. Sunstreaker turns his eyes away to see the very happy Bob open his steel grill to reveal the razor sharp maw. He takes the daintiest of nibbles from the crystal, squeaks in pleasure, and takes off to go back inside his tower house with it.]

And he didn't remember to say thank you.

[He's a lot more amused than offended. Maybe he lets Bob get away with too much.]