One study has already shown that it is possible to inject a viral vector for the vasopressin receptor into the brains of the fickle meadow voles and make them better partners and parents.

• 一项研究显示：将一种抗利尿激素受体的病毒载体注射入“花心的”草甸田鼠的大脑中，会使它们成为更好的伴侣和父母。