Quote: They chase you in the mall and try to use them on you!
LOL! I've never seen them for sale except online. My W was afraid of it at first too -- I think it looks like an alien spider that's going to suck your brains out, but she loves it.
Quote: I may buy one for her to use on ME though!
An interesting thought ... maybe there are also other ways that she can do things for you. Intimacy is a two way street. The backrubs you talk about -- is that you always massaging her? Is she a "giving" person who would enjoy doing things to you to drive intimacy?
Another thought (last one, I promise) -- I've twice gotten some lotion and massaged my W's feet in the last month. That's very asexual but also intimate ... and a big relief if she's been walking a lot or wearing uncomfortable shoes.
The LORD is near to all who call on him, to all who call on him in truth." (Psalm 145:18)