This little girl has just gained a new best friend.

When Tara Wood’s 4-year-old daughter Norah stopped to talk to an elderly stranger in the grocery store, she could never have imagined the man would become like family.

Wood and Norah were buying cupcakes for her birthday when the little girl spotted the man and wanted to talk with him.

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“We were heading towards the front and I stopped at a clearance shelf and this man was walking by and she stood up and waved and said ‘Hi old person, it’s my birthday’,” Wood told InsideEdition.com.

The duo had a brief exchange before Norah asked her mom to take her picture with "Mr. Dan."

"So we found him and asked him. He took a step back and looked surprised, excited and touched," said Wood. "Dan and I talked for a minute and she was holding his hand. She kissed his hand. They hugged each other and I snapped a couple of photos."

Wood said Mr. Dan thanked the little girl, saying, "you’ve made me the happiest I’ve been in a long time."

Wood later posted about the special moment on her Facebook page.

“We passed several other [people] but she zeroed in on him for some reason. I don’t know if it was God or the universe. She knew he needed something," she said.

Later that evening a local reader recognized Dan from the pictures on Wood’s Facebook page. They told Wood that the man's wife had died in March and he’d been living alone.

She told Wood that was the happiest she'd seen him since then, Wood said.

“I asked her if she thought it would be okay if I called him. She said he'd probably like that a lot,” said Wood. “A couple of days later I called and he started crying on the phone. We were all crying."

Mr. Dan has quickly become part of their lives.

“We spent three hours with him that first that day. They acted like they had known each other their whole lives,” said Wood. “I couldn’t let it end there. I thought a continued relationship would be beneficial for both of them.”

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Now Norah sees Mr. Dan once a week and calls him on the phone as well.

“She just turned four and she’s incredibly thoughtful,” said Wood. “She cares deeply about him and his well-being and that’s something I couldn’t teach.”

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