Jennifer Aniston has reportedly turned down a marriage proposal from boyfriend John Mayer because the former Mrs. Brad Pitt doesn’t want to ruin the couple’s thriving relationship.

“John told Jennifer she is the girl for him and he is sure of it. He is willing to do anything she wants as long as they are together. He is like a different guy.”

“John was over the moon when Jennifer took him back last month and he never wants them to be apart again. He really wants to settle down with her. He wants children, marriage – the whole thing at some point,” a gabbing source has revealed to Britain’s Look Magazine.

“Jennifer said no when John asked her. She told John that everything is so perfect between them right now, they shouldn’t ruin the focus of their relationship,” says the spy.

“A wedding would be so stressful and Jennifer just wants to enjoy this phase, falling madly in love and getting a thrill if the other one texts when they are apart.”