I lied abt my age

I need an advice to my problem of mine, i met a guy in a online game called genshin, as we talk more and more we start become friends and we talk all day ps he's a guy that priorities his studies and a family oriented one, same vibe as me have sense of style and most of all handsome and came from a rich fam and not your topical genshin gamer dude💀, how couldn't fall he's my ideal guy and the man of my dreams, sep,1, 2023 i confessed to him and he rejected me and told me he couldn't give the same feelings that i felt and we stayed friends and it was good I didn't hurt much but atleast we're still texting i thought but, everytime we talk he's getting suspicious on me just like earlier he said that my age and grade doesn't add up and now I don't know what to do should i tell him or just block him? ( sorry for my grammars ) pleasee NEED HELP ASAP!!!!!