You can't love someone to love you back

No matter what you do it won't matter, they won't ever love you back. The sacrifices, the efforts you do to change yourself, the way you want to fix your mistakes and how much you're willing to go for them. They won't love you back.

"I can still salvage this relationship, I can still fix this, I can make them like me again."

No you can't. No matter how much you love and care for them, you can't expect that back from them.