Chapter 25:
Vash is shocked. He is watching with his own eyes, but he is shocked. It is what he wanted, but he never expected to get it. Knives is being kinder to a human, and falling in love at that! He didn't expect it to be so serious, but Knives was a serious guy.
Meryl is asleep; Milly is reading to her daughter; Vash is washing the dishes. The household had learned early you do not ask Knives about or mention his relationship. But tonight Vash is tempted to do something, because tonight he has traces of lipstick on his mouth.