grow apart
Verb
Meaning
grow apart (third-person singular simple present grows apart, present participle growing apart, simple past grew apart, past participle grown apart)
(idiomatic, of two or more people) To gradually become estranged.
Examples
Every friendship goes through ups and downs. Dysfunctional patterns set in, external situations cause internal friction, you grow apart and then bounce back together.
You can grow apart from people very quickly.