Do you let your pans heat up before use? Do you let your pans slowly cool down instead of dunking them in cold water? I haven’t had a pan warp on me for years

Do you let your pans heat up before use? Do you let your pans slowly cool down instead of dunking them in cold water? I haven’t had a pan warp on me for years just being mindful of letting it heat and cool at a reasonable paces rather than blasting them with the ”power” mode. And this is in Europe with our 400v kitchen outlets.