The wearing of high heels is not advised near the intersection of sunny Tel Aviv’s Hayarkon and Geula streets — at least, it wasn’t a few years ago when I was entrusted with guiding a matronly family friend who despite my warnings about the unevenness of Middle Eastern sidewalks insisted on dressing to the nines and fell flat on her posterior. Luckily, no hip was broken, but the incident showed how traveling overseas with a senior citizen can pose unique challenges.