they got pregnant with the kid during/shortly after college, and mason married theirr mom before the belly showed up. they might be the only kid, or they may have one or two younger siblings, but they're all almost adults, and some might've moved with the mom after the divorce. regardless of their gender and age, mason is a very protective dad, so they could potentially butt heads over that. maybe they finished college and were aimless, so they headed back home, maybe they never went to college, and this is a point of contention between them? or maybe they are doing just fine, and the kid is the one worrying over their dad? if they are introverted or very academically oriented, mason wouldn't really get them, but still try. the family grew up middle class because mason was fiscally responsible with the money he made at his peak, and basically, i've got ideas for however you want to play this out!