question of the weekend: What does being a grownup mean to you?

One of my delightful little English cousins reminded me lately that there are a few pleasures to being an adult. I shared this last night with a friend who complained on Facebook that “Being a grown up sucks.” My response:

Except you can wear your pajamas all day if you want to, and nobody can stop you. A 9-year-old of my acquaintance is jealous of me because of this.

Along similar lines: What does being a grownup mean to you?

(If you have a suggestion for a QOTD/QOTW, feel free to email me. Responses to this QOTW sent by email will be ignored; please post your responses here.)