Ask the therapist in front of her, "What can I do to learn to love my wife the way she needs to be loved?" That might blow her away to make it about your shortcomings and not hers.
If you have not read The Five Love Languages (often abbreviated 5LL around here), go buy a copy and read it tonight. (It's a fast read!) You'll be glad you did!
Thread #10 22 year M, MLC, Piecing since 1/07 Goal: Live with confidence & enthusiasm!