One of the reasons I came back to Android was because of the app 1 Second Everyday. It is very simple you take a 1 second video clip every single day. That might sound strange, but the pay off is that after a month or so you get a cool video of the things you have done. If you can take a clip each day that captures the essence of the day then it becomes a really nice reminder when you watch through the clips again.
I forgote to export mine for January so here it is along with February’s one aswell: