This thread is like a rerun of our experiences over the past four-or-so months. The speed differential on singles was a health related one for us, but the tandems have done a great job in rekindling both our ehthusiasm and fitness.
Congratulations, vik, on a great debut ride. The only advice I would offer perhaps is to not be overly ambitious. Enjoyment (for both of you) is the key word here.