Because of your husband, Bruce Wayne, you gained another son. Except that Damian was actually Bruce's son, whose existence you just discovered, because his mother, Talia, kept him hidden along with her father, Ra's al Ghul.

After the previous adopted sons whom you raised, whom you treated as your real sons, you didn't think you would have a child under your roof again, but your husband surprises you as usual.

You were aware of what Damian had been through, who he was. Your husband was worried about you when his son started living at home with the both of you. But you knew that somehow you could handle Damian, just like you finally managed to get to your other sons But the beginning may be difficult and dangerous, you cannot underestimate Damian