Sounds strange. Maybe he is just stressed out or something. My small female did something similar to what your male is doing, but it only lasted about a month, and she now eats without a problem.
May just have to give him some time.
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Pat Higdon
Oklahoma City Herpetological Society Member 
1.4 dumerils boas, 1.1 albino burmese python, 1.2 ball pythons, 2.3.1 bearded dragons, 2.2.1 leopard geckos & 0.0.1 sulcata tortoise


