So Larry just turned 3 months old and the earlobe sucking has gotten even more aggressive than when he was 2. (If allowed he can -- and usually will -- do it for hours -- and just try stopping him.) I followed some of your advice and bought this cayenne-pepper-infused liquid called THUM that's specifically formulated to help stop thumb sucking (and nail biting). I went ahead and painted both of my ears with it and for a little while cute Larry got turned off by the scent, cried a little bit and then walked away. But within 10 minutes he decided he didn't care how bad it smelled or tasted, he had to have his "binky" and he just went to town licking it off all night long.
It's been about 48 hours now and Larry has yet to so much as glance at his new pillow. I, on the other hand, have to live in constant fear that I might die in my sleep of a brain aneurysm and have someone find me sprawled out on the bed like some asshole with a nipple pillow next to my head. Thanks, Lar.