22M relationship 49F

I’m a 22 year old male, and I’ve been seeing a 49 year old female for a year now.. things are great, we have so much fun, go to heaps of shows and gigs together. She is my favourite person to hang out with and I know I am hers too. She has 3 teenage children that I haven’t met and have no idea about me. It’s super tough being in a relationship like this, but I’m in deep with her. We both know we can’t do this forever. My heart breaks thinking about not seeing her anymore. When the time comes we will cease all contact with each other which cuts me so deep to my core. It does affect me now, but I do my best not to wish away any time, as time spent with her is precious to me. It will be the hardest thing I’ve ever done; letting go of her. It’s really up to me, which makes it difficult. I love her dearly and the times spent together will stick with me forever. I know one day I will have my own wife and family and I owe it to them, but i know it will take me a long time to get over this one… keep me in your thoughts please ❤️