Feathering is your friend. It’s the difference between a Photoshop chop job and a seamless blend. Use it on marquee tools, layer masks, or just for fun.
Don’t overthink it. Start with 10 pixels. If it looks weird, hit Ctrl+Z (undo is your safety net) and try 5. You’re the boss here.
Now go feather something. Make those edges soft. And if anyone asks, tell them you learned from a cool coffee chat. You’re welcome.