Am I wasting my time or no?

Its been 2 years not speaking to each other but we did texted few months ago just a few conversation but he doesn't know that i still have feelings for him. Im not sure if im wasting my time waiting for him as if something will happen again between us. However, he did ghosted me but at the end and until now i still have those feelings that he made me feel some type of way. I still have a soft spot for him even when i walked past him it still lingers. I still admire him from afar without him knowing. When we talked few months ago, he would always still give the same energy as if we were like us before but i feel like he ghosted me after 2 years is because he said that he's not a good person to have feelings for and wanted me to lose feelings by avoiding me, yet i didn't but he doesn't know that because we dont talk a lot. I want to approach him more but i dont want him to think im weird or smt is happening. Am i too late?

Am I wasting my time or no?
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