You can learn new things. Pixel art, touch typing, 3d modelling, music, calligraphy, wood working, knitting, a language. Whatever is practical and calls to you, you can learn. In the long term, learning new things is fun and makes life richer in ways you can’t even imagine, and it’s a time investment that will pay dividends for life as these skills never really go away. There are even social aspects, as you’ll quite literally become a more interesting person to talk to.