Actor Zachary Quinto is convinced he may never take advantage of America's same-sex union laws because he is not a big fan of marriage "whether it's gay or straight."

The openly gay star has been dating model Miles MCMillan since 2013, but admits they may never exchange vows.

He tells The Hollywood Reporter, "There are benefits to the institution of marriage. I personally am not a huge fanatic of marriage, whether it's gay or straight. Commitment and relationships are a very individual thing, and I don't stand to tell other people what to do or who to do it with, but for me, love is defined by two people in an intimate and personal way, and superimposing an institution on that isn't necessarily for me, the most exciting idea."

However, the Star Trek actor insists he has warmed to the idea of walking down the aisle since same-sex unions started becoming legal in an increasing number of U.S. states, adding, "The fact that we've made such progress and marriage equality is very, very near and tangible and hopefully right around the corner, that frames it a little bit differently for me. It's something I have been an advocate for and a fighter for in the past eight years. I want to see that continue.

"And maybe there will come a day when it makes perfect sense for me personally. We'll see... I don't think either of us feel that we have to hurry up and do this."