1. You have a set schedule for writingWriting is like a muscle. If you don't exercise regularly, you get flabby. At the beginning of a new workout schedule, most people are very enthusiastic. They tend to lose interest within the first month or so when distractions get in the way or their muscles start to protest. Joining a fitness class or playing a team sport is one way to stay on track. You have other people to keep you accountable.
You need to learn to exercise your writing muscle on a regular schedule. Signing up for an online writer's workshop means you will be working at your craft even on days when the words don't come easily, and that's not necessarily a bad thing. You can gain the skills necessary to work through times when you struggle to find the right way to express yourself or you just get something down, knowing that you can come back to it later when your creativity well is a bit higher.