Oh,
major appliances.
For a second there, I was picturing a man (maybe balding with glasses) sitting in his living room barcalounger, and at the instance of hearing his wife start up the blender, his li'l partner would stand to salute.
I'd love to hear more details about it (even though both you and the rest of the subscribers to this thread may eventually find out this stimulation is directly rooted to your mother) and I'm real glad you decided to share; I found a new site in the process of trying to find info on your situation:
Sex Category - Is It Normal?