Pick a dare that is actually tiny.
A good tiny dare fits your circumstances and leaves you free to stop. Try a new route in a familiar public place. Ask a bookseller for a recommendation outside your usual shelf. Order a drink you have never tried. Choose curiosity over difficulty: the object is a fresh experience, not proving how uncomfortable you can make yourself.
Five invitations for this week.
Sketch something on your desk for five minutes. Put one local public workshop on your calendar. Ask a friend a question you have never asked them. Eat lunch away from your screen. Spend ten minutes on an unfinished idea before looking up how an expert would do it. Pick one and give it a time, rather than saving all five for a mythical free weekend.
Add company without adding pressure.
Make the invitation specific: “I am trying that beginner drawing session on Thursday. Fancy joining?” A clear activity gives you something to talk about and an obvious end point. If meeting someone new, choose a public place, arrange your own transport, and tell someone you trust where you are going.
Keep the result small too.
Afterwards, ask what you noticed. Was there something you would repeat? Did a surprisingly ordinary moment feel enjoyable? “Not for me” is a useful result. You can try a different dare, repeat the same one, or leave it there. The experiment worked if you learned something about what you want to do next.