There is this sadly unmet for many need is just that, it has a powerful emotional component that goes beyond what may need to be done in the direct physical sense (and for me personally there is), it is to loved, cared for, protected and cherished very much as that child.
It won't be many minutes right now for me that routine will start as he gets up and addresses me as his child using his affectionate nick-name for me and I have one for him where he will explore how I am feeling, what I need to do reminding me of things he wants me to do which sadly this week means resting cos I'm poorly.
I talk to him about his work, his interests and how he is feeling too because this is a relationship of the two of us that we need to maintain not least to enable him to provide me with that thing I need now and lacked in original childhood - a sense of being cared for, understood and where necessary corrected which he is quite firm over so I learn to take better care of me, making better choices. It is as you rightly say that constant and consistent reminder to be good, make good decisions, that they are always looking out for you that we badly need.
It fills the gap left and even at the time not even met by parents who had lots of issues between themselves and to whom it has taken a lot of work to patch up the damage and a good number of us still hurting from those formative experiences and making that leap of faith for us is hard to