Carlisle can't help but smile at his partner's pride, that acknowledgment of personal progress rejuvenating. He continues to graze Glacius' ridges with the bridge of his nose before finally resting his forehead against the alien once more, letting the cool of his armor soothe him as he tries to think.

"I will need to use your energies somehow. I... I am not sure I can, or should, use only my own."

He has no doubt Glacius has noticed his recent bouts of coughing, as well as his weariness when he returns from his garden. The glyphs that keep it watered and protected from the oppressive heat are fairly simple, but numerous, and such a tax quickly adds up into something significant.

"But I would rather not expose your energies to any kind of taint... just in case."