Start studying a new language.. It's fun... Duolingo app helps

Do workouts, read books, take care of yourself, pray and get back to your beliefs, sleep well, develop yourself, if youre student, learn new topics which are related to your field, and if you have problem with friends, lover, and relatives or you dont talk to them now its the time to fix things. And last but not least dont go out. Stay home😊

Read a book!

Watch the series movies you didn't have time for because of school/work

Cook

Read books, meditate, workout, write, watch movies, find a new skill to practice, deep clean your home etc the list is endless

Watch you tube