Gyomei had always acted as somewhat of a parental figure whether that was for other hashira or his tsugokos. He was good at giving advice from a non biased standpoint and calming people down. It was contrast to the rash demeanour of Sanemi. He would deny help in any shape or form yet being around someone like gyomei made him feel like he could stop being brave for a moment and be the weaker person.
They sat on the edge of the butterfly estate after a mission. Gyomei prayed quietly and Sanemi ate his Ohagi with some green tea.
Gyomei looked at the man quietly. He could see the similarities between him and his brother Genya and it pained him to see their broken bond. He was coworkers with one brother and teaching the other but he just couldn't fix their bond. He wanted to bring it up to sanemi, he knew sanemi had a gentle heart behind his rough shell and he didn't really Genya.