Text to verify phone every 30 days

Every 30 says me and my wife have to get a text to sign in.. WTF its been going on for quite some time now.. I thought i could shut it off when I got tird of it only to find out I CANNOT.. WTF Guys... Fix this so those who dpnt want to have to do this can "Opt OUT" .. When its not broke

. DONT FIX IT❗❗❗