"I ask you to pass through life at my side- to be my second self, and best earthly companion" (Rochester directly refers to Jane as his "equal" and his "likeness")
-reflects desire for a deep, equal partnership; someone who complements him
-signifies his recognition of Jane's intellectual and emotional equality
-however, their relationship is still marked by Rochester's initial attempts to exert control over Jane by attempting to dress her lavishly and keep her isolated
-Jane has a commitment in maintaining her independence within the context of marriage