Your friend saw this resource on bethinking.org and thought you should see it:
Is Christianity a Psychological Crutch?
Is Christianity just a crutch for the weak, unintelligent and scared, or is it far more than that?
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/is-christianity-true/is-christianity-a-psychological-crutch
---
bethinking.org is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.