Meghan Marklehas always remained very private about her faith — but it is an essential part of her life.

“Meg is extremely faithful,” a longtime friend tells PEOPLE in this week’s cover story. “We pray a lot together. We meditate. She has had, and especially has now, a very close relationship with God.”

Meghan, 37, wasbaptized into the Church of Englandin a secret ceremony last spring ahead of her wedding to Prince Harry. And the intimate service, which was a significant nod to Harry’s grandmother,Queen Elizabeth’s role as head of the Church of England, had special meaning for Meghan, as faith is a key pillar for her.

“A deep sense of gratitude and humility has guided her,” the friend continues. “We can still be modern women and feel all the feels with feminism and be strong moms and strong wives but understand that [our] relationship [with God] is so critical.”

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Prince Harry Marries Ms. Meghan Markle - Windsor Castle

“She and Harry are both very grounded. She has a firm understanding of the things she can and can’t control. And she tries not to put any effort into the things she can’t control.”

Her strong sense of faith thas helped Meghan navigate her new world as the Duchess of Sussex.

“Her lifestyle can be very isolating. The rest of us get to go out, see each other for coffee, just go, ‘I’m having a [bad] day, I’m going to have lunch or do a little shopping.’ She can’t. So you kind of have to look inward and go, ‘How can I be part of my own solution?’ And that’s really challenging.”

source: people.com