Doing something practical might not sort things out long-term, but right now the most important thing is feeling better short-term.
Many people find that making or doing something practical can take their mind of the thoughts and feelings that are worrying them.
I love writing... sometimes it's better to just pretend that you are the character that you've created.
Immersing yourself in a world you have created, or focusing on how words fit together and sound can be a great way of occupying your mind if there's too much going on for you right now.
Try these writing exercises if you don't have something you want to write about right now.
I've started a quilt... I'm not very good at sewing, so it forces my brain to focus on the task at hand, releasing my emotions into the fabric.
Music always takes me to my happy place. No matter what I'm feeling, I can always count on playing my guitar to help me escape and feel better.