But Not Too Indicating restrictions

But… Not…Too

BUT NOT TOO	EITHER X or Y
After mentioning a positive idea or fact, we can add a negative point using but  not…too.	We can offer a choice between two items with either X or Y. Select one.
You can take a cookie, but you can't take a a cupcake too.	You can take either a cookie or a cupcake.  (a choice of one item)
He's drinking a lot, but at least he isn't driving too.	You can either drink or drive as much as you like. (a choice of one activity)
You can have your cake, but you can't eat it too.	You can either have your cake or you can eat it. (a choice of one activity

"You can't have your cake and eat it too." (expression) – You have to make choices in life.