Advice: What if this is all there is?

Question: I’m 55,  was a stay-at-home mom, raised 4 amazing children, married for 18 years, divorced now for 13 years, had a boyfriend for a few years but that ended, working a job the past 9 years that I use to love but now not so much, working on resume/cover letter garbage which leaves me feel like shit for my lack …