Board Thread:Skyrim/@comment-114.42.233.96-20130719053456/@comment-6881629-20130719093614

Don't know npcs usually have a change in how they talk when they like you (and then count towards the blade) and i don't remember a Hunter ever saying the friendly dialog. Barter with them then try it maybe.

If your on PC there is a console command to check have a look at the UESP page here.