Don't procrastinate

Procrastination is the thief of time, or so they say

Sometimes spending time on the websites, reading the reviews, reading about writing, and doing writing courses or attending writer's groups simply become another way of wasting time, and avoiding writing.

When you realise you've spent more time thinking about writing than you have actually writing, it's time to take the pen by it's grip (or lay hands on that keyboard) and write.