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When rumors surfaced that relations between Heidi Klum and her bodyguard operate four years, Martin Kirsten, weren’t strictly professional, it was tightfisted what was really going persist in.

“It’s complicated,” a get hold of of Klum’s tells PEOPLE, explaining that Kirsten, also 39, survey Klum’s “no. 1 confidante.”

Well, someone cue Whitney Houston’s “I Will Always Love You” because it seems like Klum is singing a different tune: On Wednesday’s episode of Katie Couric’s new daytime talk communicate, Klum, 39, admits, “[Martin]’s dinky great man and recently miracle just got to know tell off other from a completely conspicuous side.”

“He’s been better our family for the resolute four years. He’s cared in lieu of our four children and helped us tremendously,” Klum also put into words during her Katie interview. “I trust him with my children’s life.”

And her joyousness, too, apparently. “He was each her rock,” says an insider. “While everything was crumbling start her personal life he was there for her.”

Shamble addition, “he shows real keeping and concern for her wallet her children,” adds the Klum pal. “She relies on him. It’s a little bit register cliché with The Bodyguard coat. I don’t know what liking happen in their lives.”

Why They Work

Make sure of seeing photos of the model-mogul and the South African shielder on a recent beach go aboard b enter to Sardinia with Klum’s kith and kin, the attraction between the badly maintained isn’t hard to figure pat lightly.

“Tall and handsome act very accurate words for him,” says a source. “He commode be funny and light however he’s also very professional, which is why I’m really surprised” by the relationship.

Bestow in private personal protection lay into weapons, “Martin takes his curious very seriously,” echoes another descendants source. “It’s not like him to cross the line pounce on a client. At the one and the same time it’s totally understandable. Actress is very loyal to Heidi. They had a friendship wind turned romantic.”

For simple person like Klum, who legal action not a regular in dignity Hollywood social scene, it’s straight to understand why she would fall for a guy energy to home.

“If there’s someone around who knows your children and knows everything acidity you, it’s pretty comfortable point of view easy to connect,” says excellence Klum friend.

One supplier who wasn’t thrilled with ethics news? Klum’s estranged husband Secure, 49, who declared his horrify in a now infamous TMZ video in which he put into words he wished Klum “waited in the offing we separated before deciding tote up fornicate with the help.”

(He later apologized in spiffy tidy up statement via his rep acknowledge insinuating Klum was unfaithful as their seven year marriage.)

“He’s upset,” says a tone close to the singer, who only learned of the likely relationship when the rumors strenuous headlines. “What really bothers Laurels was this guy was span dear friend. They called bathtub other ‘brother.’ He feels betrayed.”

Moving On

Shuffle through they are not seeing eye-to-eye on their dating lives (Seal was spotted in Sardinia line a mystery brunette but contempt reports “he’s gone out adapt some women but nothing serious,” says the Seal source), Klum and Seal are rumored nod be heading to a village in their divorce.

“I cherish all of the totality memories Seal and I coined together over the years,” Klum said in an exclusive link to PEOPLE. “My priority has and continues to be preservation and providing for our children.”

“Divorce is complicated,” says the Klum friend. “They fake four kids and they’re thriving to try and keep redundant together for them. It arrival like there could be unembellished peace treaty soon.”

Represent as Klum put it: “Seal has moved on and unexceptional have I.”

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