New Delhi, Oct. 20 -- After a friend mentioned booking a rental cab for a day to take an ailing family member to multiple medical appointments, I realised the value of this approach and have borrowed their hack for the days I have multiple back-to-back meetings. Long waits and endless traffic make it almost certain that a day with four meetings will require a rain check on at least one. It is costlier, of course: each rental ride feels like paying for an extra trip. But I now view that as the price of avoiding the stress of hunting for a cab, worrying about cancellations, and inevitably showing up late at meetings. That frazzled cascade of delays causes exhaustion that often spills into the next day, derailing more schedules. I now treat ...