1. It SCREAMS of insecurity. If you can't bear to not touch your boyfriend or girlfriend for an hour while you eat a meal, please, please go see a counselor...I know a good one...Dr. Hooker...can't go wrong with a psycologist with the last name Hooker...you know SHE'S dealt with her inferiority complex.
2. Restaurants are for eating and having conversation. Isn't it easier to have a conversation when you are looking at the person? The answer is yes.
3. SSS will result in neck problems and multiple chiropractic bills. If you do SSS and try to have a conversation you have to twist your neck in ways that I'm sure must cause damage.
4. You have higher odds of making out during your meal. There's nothing worse than people who make out at a restaurant.
5. It's just not Feng Shui.
Bottom line...it's annoying and awkward and wierd and if you participate in this practice, there's a pretty good chance I won't be your friend.
Note to reader: Another practice that will keep you from being my friend is listening to Nickelback and/or Creed.