I keep repeating the same trading psychology mistake. How do I actually build better habits?

I've been trading for about 2.6 years, and I'm starting to realize that my biggest problem is not my strategy—it's my behavior.

I keep repeating the same cycle:

• I follow my rules for a few days.

• I get some good trades.

• My confidence increases.

• I start thinking I know where price is going.

• I stop waiting for confirmation.

• I take FOMO trades.

• I sometimes trade against the higher-timeframe trend.

• I lose.

• I regret it, promise myself I'll be disciplined, and then eventually repeat the cycle.

Today's example:

My plan was to take a maximum of 1–2 trades.

Instead, I took 11 trades.

After the first couple of losses, I wasn't really following a plan anymore. I was reacting emotionally and trying not to miss moves.

The strange thing is that after the loss, I can clearly see what I did wrong. But in the moment, I still do it.

A lot of my bad trades come from thoughts like:

"I think price is going to drop."

Not:

"My setup has confirmed."

So I end up entering based on opinions rather than rules.

For traders who used to struggle with FOMO, overtrading, impulsive entries, or breaking rules:

What helped you actually change your behavior long-term?

I'm not looking for a new strategy.

I'm looking for practical ways to build discipline, trust my process, and stop sabotaging myself.

Any advice would be appreciated. Thanks.