A bit of a ramble at the beginning about my current woes. Then, we'll go over some tips and ideas for dealing with life's obstacles, and how to work on improving your life in general. (All whispered. Please overlook my mini rant about the crotch rocket.)
To listen while using other apps, switch the player to Picture-in-Picture (PiP) during playback — it keeps playing in a small floating window (the screen stays on).
To listen with the screen fully off, in-browser playback stops by YouTube's design. Open the video in the YouTube app to keep listening where background playback is supported (e.g. with YouTube Premium).
Open in YouTube app