Signs Of Prostate Problems Why Don't My Bettas Shown Signs Of Aggression Towards Each Other?

Why don't my bettas shown signs of aggression towards each other? - signs of prostate problems

I have 2 bettas. One is a half moon and the other is a crowntail. The two have different colors. It is a divisor of see through plastic in the middle of a tank of 10 liters. What I find odd if they were burned. So I went from one side to another and it is as if they were best friends. They are not fighting. Signs of aggression. What?