marry up
Verb
Meaning
(transitive) To join together.
(intransitive) To tally or correspond; to match up.
(intransitive) To marry someone of a higher social class.
Source: en.wiktionary.orgExamples
It used to be you wanted to marry up.
For so many generations, a woman's only career path was to marry well and to marry up. Those days have changed.
I think when you marry up like I did and Mitt Romney did, your wife says a lot about who you are and I think she humanizes him and brings a different vision of who Mitt Romney is.