it can be a little anxiety-inducing, esp. to those on the spectrum. but make sure you're not confusing "it makes me feel anxious" for "I don't like it, it's beneath me, etc"
because it is so, so rewarding if you just let go and allow yourself to have fun
it's not a serious discussion. you don't need to converge on definitions before jumping in. you can just catch the ball and throw it back without knowing what the "rules" are