Well... he did want to help. In any way that he could. Ren's suffering has been long, drawn out, and unnecessary in his opinion. Obi-Wan wasn't really confident he could take anyone's memories away, but... this hardly seemed the time for jokes. The chuckle from Ren though was a bit encouraging.

"Then I will stay," he says. Not that he's going to be going much of anywhere anyway, but if the man wants company, far be it from Obi-Wan to deny it.

"Now tea, is something I can certainly do. Is there any particular kind you prefer?"