A Uyghur couple have their first dance at their wedding celebration after being married Aug. 2, 2014 in Kashgar, Xinjiang Uyghur Autonomous Region, China. Getty Images

If you forgot your anniversary this year, now is your chance to make it up. Thursday is National Spouses Day, an unofficial holiday held annually on Jan. 26.

More than 2 million people get married in the United States every year, and a full 17 percent of the population has said "I do" more than once, according to the Census Bureau. About 170,000 Americans couples are same-sex.

No matter which category you fall into, observing National Spouses Day as simple as it sounds. Simply let your significant other know how much you love and appreciate them. Do the dishes, bake them a dessert or run an errand for them. Send them flowers, email them a gift card or stop by their office with lunch. All you need to do is spend time together recognizing your relationship, according to National Day Calendar.

One way to do this is with famous quotes about love and married life. Pen one of these eloquent expressions from Goodreads and Parade in your greeting card Thursday:

"A successful marriage requires falling in love many times, always with the same person." — Mingon McLaughlin

"I love you without knowing how, or when, or from where. I love you simply, without problems or pride: I love you in this way because I do not know any other way of loving but this, in which there is no I or you, so intimate that your hand upon my chest is my hand, so intimate then when I fall asleep your eyes close." — Pablo Neruda

"It's hard to say which I like more: the perfectly happy days or the hours right after we've ended a good fight." — Crystal Woods

“Everybody has somebody. It could be a friend, a lover, a spouse, a writing partner, or even That One Person You See At The Coffee Shop each day. Sometimes they exist to comfort you. Sometimes they exist to drive you absolutely mad. Be open to either as a form of self-improvement." — Terry Pratchett

"That’s what a good wife does — keeps your dreams alive even when you don’t believe any more." — Michael J. Sullivan

"When we got married I told my wife 'If you leave me, I'm going with you.' And she never did." — James Fineous McBride

"The virtues of your partner completes the goodness in you." — Christian Hunt

True love is not signaled by romantic, candle light dinners, red roses glistening with dew, or even Valentine's day celebrations. While these things may accompany our feelings, love is truly more than all those! Love is being with your spouse even when its not pleasing.

"Love doesn’t just sit there, like a stone, it has to be made, like bread; remade all the time, made new." — Ursula K. Le Guin