The easy squeeze

o if you signed up for the London Marathon, you’d find the time to run around the block a few times beforehand, right? And if you booked a bucket-list holiday to climb up to Machu Picchu, you’d at least take the stairs instead of the lift for a few months, yes? Well, now you’ve bagged yourself a ticket for one of life’s biggest moments —your baby’s arrival, no less —here’s…