I'm going to set some boundaries at a bad time
Boundaries are good, but why do you want to do this now?
I want to set the boundaries at the worst time I can so I get lots of attention from my friends, family and colleagues.
As I said before, it can be good to set boundaries with people.  It sounds like you're doing it for attention though, which is selfish.  Wait for a better time to set them!
I am feeling needy and I do not want to wait.
It is best to notice how others are feeling and carefully choose a time to talk about your boundaries. If you do this people may be more receptive to listening to you.