There are many different paths to take along the way, certain decisions will alter how your story ends. There is a health system when near Darkstalker, it's called "suspicion". If you are too suspicious, he might lock you up or even just kill you... but not at this point in time.
Btw, this takes place in "Darkness of Dragons" Only say what Darkstalker asks - only say yes/no or whatever else he asks. Only put what you want when he asks a question without specifying what to say. Gojira