"I'll Call Back Later"

What the hell is that supposed to mean anyway?

I’ll get back to you in a few minutes.

I have something to do but I’ll call you back when I’m done.

I have to ask your father something then get back to you even though, technically, it would only take about two seconds to ask him something especially since he’s loudly chewing peanuts next to me so there really isn’t a reason to hang up and call you back later.

I feel like torturing you by not calling you back for about two days even though there’s an important matter to be settled.

I completely regret telling you that we were going to visit you so I’m just going to not call back with my answer to whether or not I’m staying with you and act like I never called in the first place.

Yes, I am upset that my mother still has not called back.  I’ve called her eight times (not one after another) these past few days and every single time I’ve heard her pick up the phone for a millisecond then hang up.  Right now I’m upset that she’s doing this, but I’m even more upset at myself for actually believing my mother.  I know you’re probably thinking I’m overreacting over this phone call, but considering the very delicate state of our relationship, this is a pretty bad move my mom’s made.