Aaron, oh Aaron.

Aaron's brother, Nick Carter, and sister, Angel Carter, filed a restraining order against their sibling in light of his "increasingly alarming behavior."

Aaron was none too happy with this news.

Nick Carter took to Twitter to defend his and Angel's decision.

"After careful consideration, my sister Angel and I regret that we were required to seek a restraining order against our brother Aaron today," wrote Nick.

"In light of Aaron's increasingly alarming behavior and his recent confession that he harbors thoughts and intentions of killing my pregnant wife and unborn child, we were left with no choice but to take every measure possible to protect ourselves and our family. We love our brother and truly hope he gets the proper treatment he needs before any harm comes to himself or anyone else."

Aaron fired back in a series of tweets, defending his mental status.

Two years ago, Aaron opened up about going to rehab and getting clean from prescription medications, specifically opiates.

But most believe that this behavior is unstable and points to some sort of relapse.

According to TMZ, Aaron recently confessed that he was "diagnosed with schizophrenia and bipolar 2 years ago."

Aaron is also known to keep 6 firearms locked and ready, hence Nick's #GunControl. He also recently told reporters he needed an assault style rifle.

Aaron has reportedly surrendered those weapons.

The conflict is ongoing—we can only hope for a peaceful resolution for the Carter family.

Nick Carter's autobiography, Facing the Music And Living To Talk About It, is available here.

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