This is a collaborative post They may not come that often, but sometimes you might find yourself with a child-free day. Maybe their grandparents have agreed to look after them for the day to give you some time to yourself. Or perhaps your child has just started school, and you want to take advantage of some spare hours. So how do you spend all this time you now have to yourself? Here are some of my top ideas. Get Active Once you have kids, you might find it difficult to fit in any time for exercising and working out into your daily schedule. Now that you have a spare day…