Looking outside ourselves for answers often gives a reason to isolate

https://bigthink.com/mind-brain/sexual-assault-psychology

External blame and maladaptive beliefs form – which can mean the survivor begins to look for blame outside of themselves, often isolating themselves from the society that harmed them. The survivor begins to adapt their beliefs to attempt to understand what happened to them and why.

In this initial aftermath of sexual trauma, sexual assault survivors may seek to understand the reasons for what happened by blaming external forces (such as their attacker or society as a whole), or they can try to seek answers by turning to internal explanations (often taking their own behaviors and actions into judgment).