Do people ever actually heal from childhood trauma?

I feel like I’m broken for life. When I hear people talking about overcoming childhood trauma, I often wonder if they’re just lying to themselves and it’s not really possible. I describe what I feel as a sort of constant ache. I constantly ache for the feeling of being loved, supported and protected the way a child would even though I’m 26 years old and I’ve never truly known what that feels like. I know youre supposed to love yourself, but I really feel like I’m missing an essential part of being a human being that I will never be able to fill