We did nothing “interesting” at all — just dinner together very night after work, lots of walks through London to visit the neighborhoods and flats I’ve been eyeing.  He saw Kew Gardens without me and waited ever so patiently while I worked (first on actual work and then on lease-related stuff) most of the day I had taken off to spend with him.  The trip was too short, but it was great to have him here while it lasted.