D for disappointment

I've been thinking, why is it always that when it comes to 22nd, something would just pop up and ruined everything that is planned.
But as I was typing this, it came to me that, hey, it's not just on the 22nd, it's everyday! It's everyday you make me feel like I'm just an option, not your priority. I understand what family means to you. That's the reason why I always put up to those demands they make, how they are being impolite, how they never thought of others and how they think that you have nothing better to do than just waiting for their call and you have to right there, right now for them.
Sometimes I think, am I being selfish or am I asking for to much for wanting to have you all by myself for just one day every month, without having to worry about when your mom will call to pick her up somewhere, when your sister will call you to pick her up from tuition or sending her to tuition *most importantly, without manners and not feeling grateful that you were there for them when you weren't here for me.
Every month you would say that you would make up to me next month, you'll do better and things like that. But did you ever? Have you ever thought of how much disappointment I had took in all these time?
How I wish you knew.