After finding out her horrible secret, the son froze his mother out of his life.
1. Lit. to make it too cold for someone, usually by opening windows or through the use of air-conditioning. 2. Fig. to lock someone out socially; to isolate someone from something or a group
If you freeze someone out of an activity or situation, you prevent them from being involved in it by creating difficulties or by being unfriendly. Other traders did everything they could to freeze us out of the business. = squeeze out