Definitions.

o·blig·ing   /əˈblaɪdʒɪŋ/ [uh-blahy-jing]
–adjective
1. willing or eager to do favors, offer one's services, etc.; accommodating: The clerk was most obliging.
Well, fuck you.
o·blige   /əˈblaɪdʒ/ [uh-blahyj]
verb, o·bliged, o·blig·ing.
–verb (used with object)
1. to require or constrain, as by law, command, conscience, or force of necessity.