Really true, some says that life is not constant so pre planning will not be effective, but in my opinion when nothing is constant we have to organise ourselves more effectively because if we will go with an empty mind our energy will be wasted, let's stop overthinking process and start writing goals in an dairy which you opens regularly or write down your daily task on chart and stick on the wall, it will give you an flow, because sometimes what happens is, we don't work till somebody told to us and our time wasted all the time if you look towards the chart which sticked on the wall then that chart will become an pusher for you. For example, there was professional fitness trainer and he planned for perfect schedule for daily activities and he wrote down every activity on the chart and sticked on the chart and it really worked for him. So write down your goals right now and stick on the wall and whenever you will watch it, it will boost you to do the hard work.