Ok fine. He calls with JJ and TT. 12 combinations. Ak, king on the board, 12 combinations. If that is his exact range its fine.

BUT ITS NOT. How can you know he doesnt have KQ here? Or that he doesnt fold TT? Or that he doesnt have 99? You cant be sure that his range is this tight and you're banking everything on it. Meanwhile, when you're ahead villain is drawing to 3 outs at the most (makes it 12% of the time...6 if we're betting or he bets turn which is highly likely) and we have literally nothing to fear from seeing a turn.

So why do you want to gambool on a hope when you can just wait one card?

Also, bet sizing reads are great. By all means follow through with your instincts and dont play scared. However, if its true that villain just told you his range then we should probably try to play perfectly against him.

The same thing applys in hand 2. Like, it sounds to me that you're scared shitless of seeing turns and rivers resulting in trying to win every pot on the flop even when its obv not +EV.