We spend all this time writing songs and plays and movies to convey the way we feel to other people, instead of just telling them how we feel, Mostly out of a fear that they don’t feel the same way about us.
So let’s apply some game theory here.
Person A likes Person B, Person B likes Person A, one tells the other = happiness x 2
Person A likes Person B, Person B likes Person A, they don’t tell each other = miserableness x 2
Person A likes Person B, Person B does not like Person A, Person A tells Person B = awkwardness x 1.5
Person A likes Person B, Person B does not like Person A, Person A does not tell Person B = miserableness x 1
Choosing to act yields a chance of awkwardness or happiness, but not acting at all assures misery.