You said "Maybe" because for WHATEVER reason, you felt uncomfortable telling them the truth...like the fact that you really don't have the time or just don't want to have anything to do with what they're talking about.
SAYING NO DOESN'T MAKE YOU A BAD PERSON
No, isn't bad. It's simply the opposite of yes. It's a word used to let people know that you are declining something. You ain't gotta say 'YES' to everything, Woman! You ain't Captain Save the World, are you? Ok, then. Stop beating yourself up for knowing who you are and what you need in your life.
The quicker you learn how to use your "No," more effectively the more you'll understand this idea. Take a listen why...