Collin Gosselin hasn't talked to his family in "five or six years."

Most of Collin Gosselin's siblings haven't spoken to him in "five or six years."

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The 18-year-old told ET Monday that being apart from his sextuplets Aaden, Joel, Alexis, Leah, and 22-year-old twins Madelyn and Cara has been "difficult."

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Collin, who talks to his sister Hannah, "would want to have a relationship" with his brothers and sisters, but he hasn't "reached out to them," and they haven't.

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"I want to respect their space, their time, and how they feel about things, so I'm just hoping for the day they contact out," he said. "I'm not reaching out.

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The former reality star added, "I don't want to disturb their space." I'd rather let them decide.

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The "Jon & Kate Plus 8" alum stated his aspirations to one day "have supper with" his family and friends and "catch up on … the time that [they] did lose" after previously being "so close."

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Collin, who wants to join the Marine Corps, talked about how "happy" he wants Madelyn, Cara, Aaden, Joel, Alexis, and Leah to be.

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"I love them to death," he cried. I adore them. I hope my children will know their aunts and uncles." Since 2016, Collin hasn't lived with his siblings. Jon received full custody of Collin.

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The 45-year-old DJ has custody of Hannah and is Collin's "emotional support" system.

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"I would do everything for my sister," he exclaimed. She still helps me. She continues to help me." Collin revealed his separation from his mom Kate in the interview.

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"Unfortunately, we didn't have a connection," he stated of the 47-year-old. "I think every son wants a mom."

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TLC featured Collin's family from 2007 through 2017. Jon and Kate divorced after 10 years, two years after the show's launch.

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