imagine calling a big lawyer lewin, brafman, dershowitz and saying a i have a legal question for you , what would be his answer?
yet you can call or go over to any big posek and ask your halacha shaaloh for free bekovod ubesever panim.. with no fee
always ask.. give the check anonymously to his wife & it wont change your relationship , figure what yom tov cost you and match it ( if u can)