Need help with motivation

I've played on and off since I was a child. 4 years ago I was at my peak, 1250 rating on rapid on Chess.com. Currently I simply can't find my way back to the form I used to have and I have no idea what to do. Every few games frustration comes in after losses. Normally I am not outplayed per se, it is me playing well until I make a fairly obvious blunder and then I lose the game on the spot. There is nothing concrete I can improve on except concentrate? It's so hard to move forward. Puzzles have not helped me.

I have lost 12 of the last 13 games, be it rapid, blitz, bullet. I have taken breaks, began every game focused with a positive mindset, yet I still chronically lose most games I play. It's taken a mentall toll on me, since I take all losses personally and hate myself for it- not healthy but that's what I feel.

Can anyone relate? Or have advice? Thanks guys