I receive, on average, at least one email each week from minors who ask me whether they can choose which parent with which they want to live. I try to respond to these, if possible. Generally speaking, my response to them is that they need to try to get an intermediary involved so that they have an adult listening to them and hearing what the problems are. I recommend mandated reporters--people whose legal obligation is to report child abuse to authorities. Who are mandated reporters? I also tell them that no court is going to allow them to live with the other parent just because they don't like the rules at their house.
The age of these young people generally is from 14 to 17. A common myth is that a 14-year-old can choose. Another factor--increasing in the past year or so--is that the teenager knows that the father in his or her family is not the biological father and the teenager has an established relationship with the biological father..