Why he doesn't want me to know that he likes me?

there's this one guy i really like and i know he really likes me too. He made an fake account on Tiktok and followed me (i know its him) no matter which content i posted he never liked it he just stalks me today however, he accidentally liked my story (i posted a bear kissing the screen gif) then he unliked it asap I know that he likes me he made it obvious the way he looks at me when we see each other (he would stare very long at me until i turn around or look on the floor) and he madly worried about me one time when i posted on my social media that i want to take a break and still with all that he acts like he doesn't feel anything for me even if he made it obvious

Why he doesn't want me to know that he likes me?
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