Typically temps, hides, and/or too much handling is to blame for not eating. Of course there are other issues, but for newer keepers not breeding those are usually the reasons.

BUT, there are times that they up and decide they don't like what you are feeding them anymore. Case and point, I have a male mojave that I want to strangle. For the first year of his life he ate anything. Then for almost 3 years he ONLY ate live mice. Now for the past 6 months he has been eating f/t rats. Makes no dang sense, he's just a jerk.

My advice, check temps, make sure hide is snug, don't handle him, and try different prey types. Live/dead, mice/rats.