There was a time when I was younger and more sprightly (in the Olden Days) when I seemed to have limitless energy and would do school talks all throughout the year, whenever my booking agency asked me to. However it eventually got to the stage where I was spending more time talking about what I do than actually getting it done, so now I try to limit my public speaking gigs to one solid block around Book Week and do them all in one go.
I also do this because I am finding it harder and harder to change gears from my outward extroverted performer self to that quiet introverted self I need to create. Sometimes, even if I know I have a public speaking event in a week I have set aside to work on a book, I can often sense an underlying hum of agitation that stops me from completely losing myself in my work.
Having said all this I am also terribly grateful for all my school bookings and public speaking gigs because for many years they have provided the butter to put on my family's bread. Those writing books that describe the 'perfect writing life' are quite laughable really: A log cabin in the woods, long uninterrupted days with a glass of red wine and an intelligent adult conversation in the evenings before settling back down to work. I can only suppose that these people have very rich patrons and definitely no children because I certainly don't know any writers who have that kind of life. Even the most 'successful' ones. In fact the most successful writers I know, men and women, have worked the hardest and often juggled all kinds of things to be able to create a writing space for themselves. These are the writers who inspire me the most.