Focus on making him feel as comfortable to talk to you face to face as he does talking to you on the phone. Start by noting if there are sutle differences in your tone when talking to him in person vs. on the phone.
LL, while I was booted off during my lunch break today, I read some hard copies of articles I printed from marriagebuilders.com. I came across this one that may interest you. Why Women Leave Men. While the title may be a little disceiving, (the same way Michelle's can be.), if you feel it strikes close to home, you may want to consider printing the section below the question "Why do women leave men?" and leaving it out on a table or something ... or copy it into a word processer and give it a title you think will catch H's eye ... something like, "What women want..."