yes, they do.
stick to certain traditional patterns
Patterns lay out a certain air of predictability. Sociologists like to be able to predict certain situations.
crystals
I believe this is due to the molecules' tendency to join at certain angles. Different atoms and molecules will have a tendency to join at different angles, and thus have the tendency to form different types of patterns.
Healing crystals are simply crystals and people use as an alternate medicinal technique. You can learn to use these crystals either online or in certain books.
Some social patterns are harmful to certain groups of people.
yes in certain shops
your so ugly
You have to use certain "patterns" to do so. See http://nrchapman.com/pacman/ for more information on these patterns.
He observed certain patterns like eating habits
It it true
yes you can just but you need a certain type of crystals