The sentence "Why is no one talking about the seriousness on my face" is grammatically correct, but it might be more common to say "seriousness in my face" or "serious expression on my face." The use of "😂" at the end indicates that the speaker is likely being humorous or sarcastic about their serious expression.
The meaning of the sentence conveys that the speaker feels they are displaying a serious demeanor, but no one else seems to


