Shpuld I stop being friends with this guy?

So me and this guy have had a complicated history. We were romantically involved for a little while until he decided he was no longer into me but wanted us to be friends. So we statyes to be friends and then he started his last semester of school and became really busy with that on top of working full time.
He recently finished school and so I've been trying to keep the friendship going, trying to initiate conversations only for them to die out most of the time because he barely responds anymore or will take hours. I'm getting discouraged by this and I don't know if it's worth it to continue a friendship. What should I do?
11 d
Thanks for the advice everyone. I decided to end the friendship because he wasn't making the effort.
Shpuld I stop being friends with this guy?
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