If you can. Going to the gym and lifting heavy stuff can help alleviate the issue.
But if you want to deal with them. I would start on the smallest issue first and snowball from there.
Getting the small wins where you can really helps
To any new authors dont beg for reviews. It makes you look desperate if you want your story to gain traction just release constantly and be patient.
Also you may have to accept what your writing isnt as cool or as interesting as you thought it was