What determines whether heroes trust each other?

What determines whether heroes trust each other? - Elderly businessman shaking hands with partner

The Got Your Back feat gives the following bonus:

+10% Defense when near group members they trust.

Unfortunately there doesn't seem to be an obvious way to determine which heroes trust which other heroes or how trust might be gained.

How does trust work?






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What determines whether heroes trust each other? - Happy young multiethnic male friends side hugging against cloudy sky
What determines whether heroes trust each other? - Loving young multiracial lesbian couple holding hands while lying on bed at home
What determines whether heroes trust each other? - Happy smiling multiethnic male friends greeting each other and shaking hands while gathering on rooftop in urban city





How do you know whom to trust? - Ram Neta




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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