Tyler Baltierra poured his heart out in a loving note to wife Catelynn Lowell.

The 26-year-old reflected on his unconditional love for the "Teen Mom OG" star in a sweet post Tuesday on Instagram.

"It's been 13 years together & that's not because of luck or us not arguing or not getting upset with one another... that's because everyday, we choose to love each other unconditionally, with all the flaws & all the baggage our last lives has given us," Baltierra captioned a photo with Lowell.

"We choose to listen to one another & be heard by one another. We choose to confront our issues head on & fix them together," he added.

"We choose to confront our issues head on & fix them together. We choose to nurture our spiritual bond together & share lives ups & downs with one another."

Baltierra and Lowell will celebrate their three-year wedding anniversary this month.

The couple are parents to 9-year-old daughter Carly, whom they placed for adoption as an infant, and 3-year-old daughter NovaLee.

"@catelynnmtv ...You Are Beautiful. You Are Worthy. You Are Strong. You Are Safe... & I love you more than this realm will allow to express in all my desired ways," Baltierra concluded.

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Lowell sought treatment for mental health issues in January after having a miscarriage.

She denied in a statement to Us Weekly in May that she and Baltierra are getting a divorce.

"Couples go through ups and downs. That's normal life," the star said. "We are a solid couple that will work through anything life throws at us."

"Teen Mom OG" co-stars Maci Bookout and Amber Portwood.

Bristol Palin, the daughter of former Alaska governor Sarah Palin, confirmed in July she will join the MTV series in its new season.