Hey..he was just speaking Middle English!
be·hoove (b-hv)
v. be·hooved, be·hoov·ing, be·hooves
v.tr.
To be necessary or proper for: It behooves you at least to try.
v.intr.
To be necessary or proper.
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[Middle English behoven, from Old English behfian; see kap- in Indo-European roots.]
I guess he thinks that Gailey is not proper to anyone....That bastard!!!!!!