Ashton Kutcher's friends have explained why he decided to end his relationship with Brittany Murphy. Apparently, after meeting her on the set of 'Just Married', Kutcher wanted to return to the simple life of a bachelor.

Related: Brittany Murphy's Death Was No Accident, Her Father Claims

Kutcher and Murphy shocked everyone when they ended their relationship after only seven months. This was apparently due to a difference in opinions and ideals, as they both realised that they had different sets of values, stated their mutual friends. One friend of Kutcher said that "He wants to go and have fun without a girlfriend. He's wanted out for a long time.

Related: Brittany Murphy's Last Ever Film 'Something Wicked' Released Four Years After Death

The source continued to say "He likes going out all of the time, and she's more of a homebody. She's now concentrating on her work." Another of Kutchers friends alleged that the relationship fell apart due to Murphy's mother, Sharon. The source apparently claimed that "Her mom was a real busybody. It began to bother him." Murphy lived with her mother in the Hollywood Hills. 

Related: Brittany Murphy's Dad Slams Lifetime Biopic

Despite the break-up, both stars are reportedly upset by the decision, and have decided that they intend to stay friends. A further friend added that "Ashton really respects Brittany as an actress. He thinks she's really f***ing talented."