Reply To: What’s the proper time for a bochur to daven shacharis during bein hazemanim?

To Joseph:

“Till what age does Chazal expect parents to discipline or have any “reins” on one’s children??”

There are various holdings among the achronim but in general, there is concensus that its until the z’man they move out of the basement and are no longer eligible for a dependent deduction for federal income tax purposes.