Should I wait? or should I give up?

i have a crush on someone, but i am to shy to approach him. so, my friend did helped me, he asked him whether he is single or not, and he said that he is single and ready to be in relationship, but he said nobody like him. then, my friend told him that i like him, so she told him to approach me, he said he will do that whenever he is ready. but it's been a few months now, but he never approach me, is this a sign that he actually does not have any interest on me? should i just give up and uncrush him?
Should I wait? or should I give up?
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