Canto 2 -
Ayodhyā-kāṇḍa
Chapter 30: Rāma Allows Sītā to Follow Him to the Forest
Text 2.30.41

सर्वथा सदृशं सीते मम स्वस्य कुलस्य च।
व्यवसायमतिक्रान्ता कान्ते त्वमतिशोभनम्॥

sarvathā sadṛśaṁ sīte mama svasya kulasya ca
vyavasāyam atikrāntā kānte tvam atiśobhanam

sarvathā = in all respects; sadṛśam = that is similar; sīte = Sītā; mama = to My; svasya = My; kulasya = dynasty’s [determination to engage in dharma]; ca = and; vyavasāyam = determination; atikrāntā = have nicely attained 5; kānte = My beloved; tvam = you; atiśobhanam = a very beautiful.

Sītā, My beloved, you have nicely attained a very beautiful determination that is similar in all respects to My and My dynasty’s [determination to engage in dharma].

Sītā-devī’s determination was to follow her husband.