Imo there is always time for that which we really want to do :) when we have doubt about something then we don’t “have the time” :) when we want to do something, we’ll make time for it no matter if it takes skipping school, work, friends, family and your puppy dog :D this just means that you still need to sort out the book thing in your head before you get to it, give it some time. Another piece of advice I could give you is to just start writing — it is very hard to find the motivation for something “out of nowhere”. People are used to waiting for motivation to strike them like lightning from the sky, when in fact motivation is something that stems out of ACTION. Once you start doing something, suddenly you love it and want to do it more and more, and that is motivation :) so you could just start writing — tell yourself you will write 2 pages of your book only, and see what happens next. It is very likely that you won’t stop at 2 pages at all, and will make the time for more :)
P.s. I have finished my book few years ago :)
