What to do when our hearts remain tied to a connection that has ended?

I’m struggling with the experience of feeling an intense connection to someone who no longer feels the same. Despite accepting that they’ve moved on and respecting their boundaries, my heart still pulls toward them, as if a part of me is trying to return to a place I’m no longer welcome.

I keep myself busy, but there’s a persistent emptiness. It feels as though I’m merely existing, rather than living, while my soul longs for something I can’t have.