Embarking the Norwegian Bliss in a couple of hours for the 7-day Mexican Riviera itinerary (Puerto Vallarta, Mazatlan, Cabo san Lucas).   I’ll try to post 1-2 times each day with what we’re up to, though my particular focus will usually be cocktails, food, entertainment and excursion adventures. (I’ll likely also be posting lots of photos over on Instagram Stories; look for erin_braincandy if you just want all the photos and none of the chatter.)   A few background notes befo