I do

I do

A phrase typically spoken at the end of traditional wedding vows, affirming that the speaker intends to adhere to those vows. A: "Do you take this man to be your lawfully wedded husband to have and to hold from this day forward?" B: "I do."
Farlex Dictionary of Idioms.
See also:
  • take vows
  • falter
  • falter in
  • falter in (something)
  • (as) sure as eggs (is eggs)
  • a penny for them
  • (one's) best foot forward
  • true to
  • true to (someone or something)
  • 57
References in classic literature
I do not know two men, one an ex-slaveholder, one an ex-slave, whose advice and judgment I would feel more like following in everything which concerns the life and development of the school at Tuskegee than those of these two men.
"I does not feel to cry 'fore dat ar old limb, no how!"
"We're not stretched too thin," she says, "but not a day goes by where I do not feel that we are strained to the limit and that every ounce of our resources are being maximized."
The main effect variable of the foreign tax rate differential is never significant and the overall results are substantively similar, so I do not include the main effect variable in the reported regressions.
But I do not consider Miss Hurst's book, or the picture, to belong with these" (121).
AP I does not face currency risk as all of its debt are in local currency.