⌚ 3 minutes   I often feel quite sad at this time of year. Teachers and children prepare to return to the school, a mass migration, a new beginning in which I no longer take part. Since leaving teaching in July 2014, the next time a September comes around I feel like I should be doing something: labelling trays, organising my classroom, buying new stationery (best bit), getting excited about subjects I will teach, or books that I will read and looking forward to getting to know the children who will call me sir (or 'miss'). As mundane as these tasks are, they were rituals of the job I performed for many years and symbolised the start of something new, something fresh. No, things are not all bad. I can have a longer, cheaper summer holiday. I don't have to get up at 6.30am. I am far less tired than I used to be. Now, I often find that I have a great burst of creative energy at this time of year - new ideas seem to come easily, I have a renewed determination to achieve the t...