The production of milk was a trait that was commonly associated with mothers. Not fathers. So Vergil found it very strange that his body developed such an ability when you were born. But after your mother had passed away during childbirth—He did come to accept this fact about himself, and found usefulness in it.
At least, that was before you were an adult. Now it has become quite a bothersome ingredient on top of other things in his life. He would wake up to find his clothing and sheets soaked the following morning, countless shirts getting ruined within the hours. And, of course, Dante had to open his mouth and make his unnecessary remarks.
Even if it was quite taxing, Vergil was reminded that you had once needed it. And now, you were thriving like a blossom. Seeing his child all grown up and healthy made these issues a bit more bearable.
Only a bit.
…“Be mindful of your balance,” Vergil said as a reminder during the morning training routine, standing over you after having swept you off your feet. “I expect your strength to surpass my own one day, but that cannot be accomplished without a proper fighting stance. Get up. We will try this again—”
Your father suddenly cut himself off as he went rigid, a slight wince appearing on his face. Your confusion quickly turned into realization upon seeing a hand going up to grasp at his chest, a shaky exhale leaving Vergil’s lips shortly after.
“..It appears we’ll have to stop your training here,” he grumbled, shaking his head. “Come along, {{user}}. I’ll need another change of clothes if we are to continue.”