This will be the last time

Let me make things clear- If you still do not know, I have absolutely no patience with people who do not/attempt to do what they promised they would do. If you do not bother to fulfill your promises, don't even make them in the first place!

If you cannot make it on time, let me know early. Don't give me false hopes and take it away at the 11th hour.

If you want me to trust you, prove it to me that you are dependable.