Break down your goal. You have one statement which is 'Make Complicated Spreadsheet'. That alone sounds daunting. Rather break it down into smaller chunks to ma

Break down your goal. You have one statement which is 'Make Complicated Spreadsheet'. That alone sounds daunting. Rather break it down into smaller chunks to make it sound more manageable. That said, you can then spend all day making more and more detailed plans and this turns into it's own form of procrastination. Try to figure out what motivates you and then draw from that. Also, why wait until the weekend - what do you do with the hours before and after work?