Here are some prompts to keep up your writing habit.
Writing Skill Builder (A Quick Exercise)
Make a list of words you think you use too often and keep the list where you can see it when you write
Write a poem about a task you enjoy and about a task you only do out of obligation.
Short Story / Fast Fiction Prompt
Write a story that include a character painting a room.
Essay / Non-Fiction Prompt
Write about a habit that was once a major part of your life but that you now do rarely or not at all.