Bad endgame loss at my peak but at least I know my weaknesses now. I was winning but I blew the game on an endgame. Gotta sharpen that. I did very well at the start though.

I blunder way too much but I have the right ideas and I show signs of strong play. This leads me to tilt and get frustrated. What do I do?

https://www.chess.com/news/view/grandmaster-daniel-naroditsky-dies-at-29

Lately, I feel like I’ve completely forgotten how to play chess. I had reached 700+ and stayed around there for quite a while, slowly improving my game and feeling comfortable at that level—it felt like a fair reflection of my actual skill. But over the last couple of weeks, I’ve just been losing game after game. It’s not a matter of fatigue since I don’t play that often—maybe one or two games a day, and sometimes none at all. Still, my rating has dropped close to 500. I keep making silly blunders and missing obvious plans from my opponents. Has anyone else experienced a slump like this? If so, do you have any advice?

What's your current chess.com Rapid rating?