Confused on when to adjust risk sizing post-breakeven

Hey everyone, still relatively new to this, been trying to get my head around risk management, specifically adjusting position size after a trade moves to breakeven. My current strategy is to reduce my risk to zero once I'm ahead enough to move my stop to entry. But then, do you guys ever increase risk sizing once you're significantly in profit and the trade has confirmed your bias, maybe by adding to the position or increasing the stop loss to cover more units? Or is the general consensus to just let the initial position ride, and only ever take partials to lock in profit, never adding back to risk? Seems like a good way to maximize gains on a strong trend, but also feels like it could blow up if the market suddenly reverses.