The meetings are often non-negotiable, so I schedule these at the top of my daily to do list. Then I try to isolate the critical issues that I have to work on. I try to separate these into short and deep work, so that if I have few minutes between meetings, I can choose something from the short pile. If I have a day packed with meetings, I acknowledge up front that I will not be likely to cross anything off of the deep work list.
Just get motivated. Just do your adult life responsibilities. You just go through life with responsibilities. You just have to put your mind to the test and just do it. Try to make it fun while you do your responsibilities. Just do your best.