How do you know if a boy has become uninterested in a conversation? also, how do you stay consistent with you crush if you are shy?

[PhoenixAl]

He will stop replying with enthusiasm like the beginning or stop talking completely.
Don't show your feelings to your crush
That kills it. You should build the tension with him so it comes more natural when he starts liking you

[Iron_Man]

Because he’ll stop talking