Traditional and reverent
For the couple who wants the weight of tradition but in their own warmth. Anchors in the formal vow structure but earns its gravity with one specific image rather than archaic language.
I, [PARTNER_1], take you, [PARTNER_2], to be my partner in this life.
I promise to love you when the answer is obvious and when it costs me something to choose. I promise to be honest, especially in the moments when it would be easier not to be. I promise to learn what you mean before I respond to what you said.
I promise to keep finding you. The version of you I met years ago, the version of you standing here today, the versions I have not met yet, all of them.
For better, for worse, for the long, regular life we are going to make.
I am yours. From this day forward.
Why it works: Keeps the cadence of traditional vows without the antique vocabulary. The line about learning what you mean before responding to what you said earns the room because it names something specific.