Break with
Definition 1 of 2
Pro Tip 1/3Cultural Shift
Use 'break with' to express a deliberate move away from cultural or family norms. 
He chose to break with family expectations and pursue a career in art.
Pro Tip 2/3New Directions
Indicates choosing a new, sometimes unconventional path in business, art, or life. 
The company decided to break with conventional marketing strategies.
Pro Tip 3/3Emotional Distance
'Break with' can imply emotional distancing from practices or beliefs once held. 
He had to break with his old beliefs to move forward.