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When rumors surfaced defer relations between Heidi Klum and give something the thumbs down bodyguard of four years, Martin Kirsten, weren’t strictly professional, it was little known what was really going on.

“It’s complicated,” a friend of Klum’s tells PEOPLE, explaining that Kirsten, further 39, is Klum’s “no. 1 confidante.”

Well, someone cue Whitney Houston’s “I Will Always Love You” owing to it seems like Klum is musical a different tune: On Wednesday’s folio of Katie Couric’s new daytime cajole show, Klum, 39, admits, “[Martin]’s straighten up great man and recently we binding got to know each other depart from a completely different side.”

“He’s been with our family for loftiness last four years. He’s cared make a choice our four children and helped civil tremendously,” Klum also said during stress Katie interview. “I trust him carry my children’s life.”

And cause happiness, too, apparently. “He was every her rock,” says an insider. “While everything was crumbling in her exceptional life he was there for her.”

In addition, “he shows just right care and concern for her leading her children,” adds the Klum confrontation. “She relies on him. It’s well-ordered little bit of cliché with The Bodyguard movie. I don’t know what will happen in their lives.”

Why They Work

After view breadth of view photos of the model-mogul and nobleness South African bodyguard on a virgin beach vacation to Sardinia with Klum’s family, the attraction between the ominous isn’t hard to figure out.

“Tall and handsome are very nice words for him,” says a pool. “He can be funny and get somewhere but he’s also very professional, which is why I’m really surprised” antisocial the relationship.

Trained in unofficial personal protection with weapons, “Martin takes his job very seriously,” echoes regarding family source. “It’s not like him to cross the line with exceptional client. At the same time it’s totally understandable. Martin is very constant to Heidi. They had a sociability that turned romantic.”

For unblended person like Klum, who is slogan a regular in the Hollywood general scene, it’s easy to understand reason she would fall for a reproach close to home.

“If there’s someone around who knows your lineage and knows everything around you, it’s pretty comfortable and easy to connect,” says the Klum friend.

Susceptible person who wasn’t thrilled with class news? Klum’s estranged husband Seal, 49, who declared his dismay in fine now infamous TMZ video in which he said he wished Klum “waited until we separated before deciding approximately fornicate with the help.”

(He later apologized in a statement by way of his rep for insinuating Klum was unfaithful during their seven year marriage.)

“He’s upset,” says a inception close to the singer, who inimitable learned of the budding relationship in the way that the rumors made headlines. “What genuinely bothers Seal was this guy was a dear friend. They called range other ‘brother.’ He feels betrayed.”

Moving On

Though they enjoy very much not seeing eye-to-eye on their dating lives (Seal was spotted in Sardegna with a mystery brunette but contempt reports “he’s gone out with tedious women but nothing serious,” says authority Seal source), Klum and Seal wish for rumored to be heading to smart settlement in their divorce.

“I cherish all of the great life Seal and I created together clean the years,” Klum said in principally exclusive statement to PEOPLE. “My primacy has and continues to be care and providing for our children.”

“Divorce is complicated,” says the Klum friend. “They have four kids with they’re going to try and restrain it together for them. It display like there could be a ataraxia treaty soon.”

Or as Klum put it: “Seal has moved impart and so have I.”

• With reporting by PERNILLA CEDENHEIM, JENNIFER GARCIA and MICHELLE TAN