Responses
The more you pay attention become aware to the reality that you are alpha, beta or omega the more it shows in your actions. For the main character, the omega. Its insecurity of his gender that triggers him to get notice. Its kinda like a psychological thing.
Sorry if my english sucks
Uhhhh no. So they are all normal and whatnot without a care in the world and when they get a blood test to find out what they are, THEN they suddenly start having all these issues with heat and attraction and whatnot?
Your body doesn't become a totally different animal within a few days xD
I find the omegaverse concept interesting and I've read a lot of them, but this one just doesn't seem to be set up well at all in this respect.