@NoClue,
Have you ever heard of Occam's Razor NoClue?
It's a principle that basically states that the simplest explanation is usually the correct one.
Meaning, if she says she is busy for the time you are asking her out, that means she is busy.
Then again, it's ever so much more fun to convolute and make everything more complicated than it actually is.
Birds fighting and lunging, holding back, maybe boyfriends
? Why not she said she was busy, that means she was busy?
Nah, couldn't be.