In response to this:

"what I am supposed to do, just sit back and let you mess up or do or have whatever you want and just be happy about it"?

You can say:

"Stop telling me that i 'mess up' all the time. That's being OVERLY critical of EVERYTHING I do, it brings me down, and it is NOT loving and supportive behavior on your part. If you say you love me SO much and MORE than anything, then act like it by being supportive of me, by being appreciative of me, and stop being so critical and angry all the time about EVERYTHING -- I will NOT stand for it anymore!"

Then walk away.

LOL.