My opinion to you is that you don't handle a 40 year old, maybe you can suggest to her to take PHR or SPHR to get her certification. Maybe you should look at yourself and keep in mind that we are not perfect people. Could you be a mentor to this person? We all need help from someone more experienced in
whatever job you're in give her some help in turn that will help you. HR is a field that helps people, not judge them maybe she or he has a natural desire to help people but not the education. You could help her or him that way as well as gain a good working relationship.
I would really try to help anyone I can with knowledge while I'm blessed another day.
God blessed you, bless someone else with what goodness you have been blessed with pass it on, plant a seed and watch it grow.