At this point in time he was in the stage of lethargy where he didn't necessarily want to do anything. That was neither productive nor helpful to anyone. So while he didn't really want to sit and strategize more on the maybes and what if's of Marrowood, Clint was probably onto something, and it was worth addressing.
Brows perking and lips twisting, Loki turned his head against his shoulder to give the SHIELD spy his full attention. "No, please, by all means. I'd love to hear your thoughts."
Mr. Grumpy Mc Bird Watch wasn't much of a talky talker, sitting out to watch and observe so it would stand to say he had sat with these thoughts for some time, and observed more than most. Loki spent enough time in his own brain, and another perspective was what everyone needed.