I (F15) got a guy's (M15) number and he takes forever to respond?

Immqtured
I'm quite new to all this stuff so this question might sound a little immature, which is understandable. I know I'm overthinking things, but I really don't know what to do.

School has just started and in my math class is a guy I find cute, yesterday I approached him, called him cute, and then asked for his number, to which he said yes. I texted him a few hours later and we had a good conversation. I texted him again today, but his responses have been very slow, is it possible that he's just not interested and was just being nice by giving me his number?

By the way, we're both 15 and in grade ten. And I'm not over texting him as I don't want to seem clingy or annoying.
I (F15) got a guy's (M15) number and he takes forever to respond?
10 Opinion