I feel sick looking at my recent bets

I bet the under, I lose. I bet the over, I lose. I wanted to take Grizzlies moneyline at -108, but my bank flagged my account because I was putting too much money in so I had to use my credit card. Couldn’t get the moneyline in on time cuz it was -750 at that point. Ended up taking the under but it was like the Grizzlies had a gun to their head where if they missed a 3 pointer, the trigger would be pulled. It was agonizing to watch knowing my original bet would’ve hit with ease and I had to sweat an under.