I learned a new word from you:

Thank you, but I meant to say reluctantly.So grudgingly should be fine. I appreciate you taught me the new word -- begrudge.

grudg·ing (grjng)
adj.
Reluctant; unwilling.

grudging·ly adv.

be·grudge (b-grj)
tr.v. be·grudged, be·grudg·ing, be·grudg·es
1. To envy the possession or enjoyment of: She begrudged him his youth. See Synonyms at envy.
2. To give or expend with reluctance: begrudged every penny spent.