How do you counsel someone about metformin use for type 2 diabetes mellitus who is also on a GLP-1 agonist and achieved goal HbA1c, but prefers not to be on metformin anymore?  

I am all for this! I realize metformin is still "first line" technically, but so many patients are having a robust response to GLP-1as that I think this may change. Given that GLP-1as have a lower risk of hypoglycemia plus the cardiovascular benefits, I think monotherapy is very appropriate. Also, A...