The two Alphas don't need a soothsayer to tell them of whom Alex speaks. What they found more amusing was the worried expression Alex had. It's the complete opposite of the strong image they have for him, this reminded them Alex is still only a boy with people that he respects and fear, not because they are strong but because they are special to him.
"Maybe there is a way to shorten the duration of her sleep." Donaldson thought of a way to help the teenage boy.
"What way?" Alex's eyes lit up as he looked expectantly at Donaldson
"Marking her would give her the strength she needs."
"Yes." Archibald added. The two Alphas are just making guesses since everything about Alex is new but they still don't want to disappoint the poor boy. The teenagers watch from behind with nothing to add since they have zero knowledge.