Girls usually do open up to each other, but not so much guys. I guess it comes down to the fear of being made fun of, or worrying about what other people think about them.
Of course this is only a selection of people. Look at the users on these forums, They all loving and caring
. If your serious about finding more spiritual friends, I guess you could try visualizing yourself being around more conscious spiritual-like people. But you'd also have to stop feeling so frustrated at your current friend's attitudes.