There are tons of reasons why one might not want to change their name. At a minimum you have to send a form to the state, update any licenses you have, contact your banks, your insurance, your place of work… Best case scenario it’s an annoying hassle to deal with.
Was I appreciative when my wife took my name? Sure. But that’s mostly because we also share the same first name so it’s hilarious to share the same last name. But I told her many times before we got married she didn’t need to do it. I never expected that out of her.
If having a matching name is a big deal with you, then you can change your name.
Is the lieutenant’s name Mr. Hanky by chance?