Compartmentalisation

Please do this: compartmentalise your things!

PhD amendments 

PhD analysis & conclusion

Work: Marking & Exam Paper uploading

More work: Weekly assignments & tutorials

More, more work: Mentoring new staff, Project moderation; Exam boards 😷

Family & Home Management: delegated to children (they're self managing for now)

Divorce: set aside until I have to deal with it on 28 May. 
Stop messaging, thinking about him, or second-guessing what could have been.
This union was doomed since the very start, due to the choice he made.