I see. [ He wanted to ask Axel if he could have the drawing he did of Pluto but, if he's keeping them, then he won't ask for it. Maybe could ask Axel to do a drawing for him later though he doesn't know if the other will agree to it.
As he walks he thinks about it. Speculating about it won't get him results so, even if he wants to inquire about it, he has a feeling that if he asks for one Axel might not want to do it so in the end he just brushes off the idea and resumes their talk about the hot spring. ] Taking a long bath will definitely help you feel rested and relaxed.
[ It might not help much but it could help the other with the emotional baggage he's been carrying. That is why he wants to take Axel to the hot spring, mostly.]