What's the best way to fix a friend ship that has lasted for years?

I have this guy friend and we have been friends ever since I was three or four years old. We were really good friends when we were younger but as we got older we started to drift apart from one another and it slowly became a one sided relation ship like where one person is doing all the work and the other person isn't doing any thing. I kinda put that all on him and I know that I shouldn't have done it. I also started to not care about what he had to say or text.

Should I try to fix this friend ship or just move on?

What's the best way to fix a friend ship that has lasted for years?
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