Although we’ve had one or two ‘child-free’ evenings over the past month or two we’ve just been too busy to take advantage of the time to ourselves. We’ve either used the time to go shopping, to sit and wrap parcels or we’ve just been too tired to do anything other than slob out on the sofa or to catch up on some much-needed sleep. Having got through the longest term of the year, my husband and I were both exhausted but both felt that we should mark the occasion (and make the most of our child-free evening for once) by …