How to say to my ex about his relationship with our children?

I didnt read everything but i read enough to understand how wrong it is to hide something financially helping someone out. If you were out there having a job he would understand and forgive you and since you said that hes a very hard worker, you seem like you dont show enough respect to him and waist it like its blown from the sky. Yes im rude but i'm a guy and i know what this feeling is to me. People with money can be greety if they are the only ones that are making while other ppl are lazy