That will work Alamo. It probably doesn't matter how you ask, because you are going to encounter some resistance.
Based on what I have experienced dealing with this, don't get caught up in any R talk or rehashing of the past. My W tried to justify her entitlement by vilifying me as a father. Always try to stay positive and end the convo before it gets too far.
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa