Lan - Have you read 5 love languages ? Has your W ?
I'm maybe thinking you could read that in front of her (others knock me here if this is to much) and then she might be inclined to read herself. Then she may suggest you do the stuff in it as she may not be fully aware of you need.
Also, she probably feels some guilt still re OM. Having not been in that sitch, I'm not sure how she might overcome that.