A therapist outlined four clear things he would never say to his partner, and frankly, they seem to be fairly standard phrases in modern relationships. The stellar advice comes straight from the mouth of Jeff Guenther (@therapyjeff), a dating therapist with a private practice in Portland, Oregon. The Things you should never do to your partnerThough no two relationships are the same, some things are embedded in the cultural hivemind as being off limits. Marriage.Com lists “shut up” as the ultimate insult, but Jeff’s suggestions are something most couples could relate to. “As a relationship ther…