Just throwing in to back you up: My child becomes unresponsive to most inputs that would ordinarily motivate him (e.g. "Would you like a cookie?") after a certa

Just throwing in to back you up: My child becomes unresponsive to most inputs that would ordinarily motivate him (e.g. "Would you like a cookie?") after a certain amount of screentime and becomes pronouncedly agitated should you try to limit screen time (e.g. "It's time to go to school in five minutes. You have to pause the show by then." Cue literal wailing and crying.) When screen time is limited to brief periods (< ~90 minutes) these problems do not manifest.