28/3/19 Bite off more than one can chew

To bite off more than one can chew means to take on more than one can deal with, to attempt to do something that one is not capable of accomplishing. This phrase is also employed in the warning don’t bite off more than you can chew, meaning don’t take too much work or responsibility upon oneself. The idiom originated in America during the late nineteenth century when a man offered another man a bite of his plug of chewing tobacco. The admonishment don’t bite off more than you can chew would remind the receiver not to be greedy.

Example:  
You can stabilize your personal life if you don’t bite off more than you can chew.