Obi-Wan wishes he could tell her for certain that they would still be around for her grandchildren to know her; as it is, technically he's not even sure he was alive in the vision. Despite the man - despite Luke looking directly at him, it felt tangential enough that he thinks the young man might have been seeing his spirit in the Force, much as Yoda had taught him to do with Qui-Gon.

Her questioning of his terrible meditation startles a laugh from him - rusty from disuse, but no less genuine. "I assure you, I'm quite good at meditating." He makes a face, playing it up a bit for her benefit. "Unfortunately, I've had little else to do for the last six years, and even I can get tired of it, after a while. I find I much rather share the company, now that I've found it."