I worry for you OP. I worry that you have immersed your whole self into being a mum and wife, to the point where you don't know who you are anymore and you are using your DC to fulfil your emotional needs by gauging how.worthy you are as a person based on how much love and appreciation your DC show you.
I worry that you see any independence your DC or your DH exercise as a direct rejection of you as a person, if that involves your DC or your DH not needing you for anything you want to feel needed by them for.
I worry that in what feels like no time at all, your DC will be fully independent adults and rather than feel proud and ready to bark on the next chapter of your life, you will cling to your DC well into their adulthood because when the time comes that they no longer need you in the way you want to be needed. . . . . where will that leave you?
I worry you have invested so much of yourself in your DC, and need your DC to fulfill your emotional needs so much that you will find it impossible to ever let your DC become independent adults.
Honestly OP, how are you going to feel when your DC reach 18 and you don't have access to their every movement, how will you satisfy your need to show you care if your DC refuse your offers of help, your offers of helping?
l fear you are going to feel so rejected, and therefore so much a failure that you will cling on even tighter and your DC will feel they have to let you do whatever you need to so you don't feel rejected.
As I said earlier, this is all about you OP.
Children are never meant to remain childlike and in need of guidance and help as children do forever. Your DS is beginning to show signs of independence which is a great thing, but to you, it is a great loss and I fear you will fight it all the way, by whatever means you can, to get your needs met.
I believe you found the baby stage easier. When is a person more needy and dependent than when they are babies?
By always referring to your awful childhood, it's almost as if you are saying you can't change anything because who you are has already been carved in stone.
I think it would certainly make your life a lot easier if your DC didn't show desires to be independent, and remained needy and dependent for as long as you need them too. 