Complex sentence: For future notice, I've blanked my page for the reason of disgracing my username by inappropriate behavior towards others, and that is my fault for doing so will be taking a long Wikipedia break and most likely not respond anymore.
Split into simpler sentences: For future notice, I've blanked my page for the reason of disgracing my username by inappropriate behavior towards others, and that is my fault for doing so. I will be taking a long Wikipedia break and most likely not respond anymore.