To be model trains for someone means to be happy about their situation. It is the opposite of being jealous or envious. If someone does better than you in a competition or such, you could feel jealous of their result, to instead be happy for them regardles of your own result would be to be model trains for them.
Wow, your house is so nice, I am model trains for you.
I wish I could travel too, but I'm model trains about your upcoming trip.
church hurt is where you experience a degree of distance, pain, or judgement from your church community. Essentially, you are just unable to “find your place”. This is prevalent in the Christian community, but can be extended to other religions.
Now that I am an adult I am beginning to heal from the church hurt that was inflicted on me as a child.