Day 121 - If you receive roses with thorns, leave them. Removing the thorns wounds the stem. The more wounds there are, the more likely the flower's life will be shortened. "Barking" the stem ruins the vessels that transport water up the stem to refresh the flower. It also creates an open wound through which bacteria can enter. If you must remove a thorn, it's best to remove just a small piece of the pointy tip. So be careful of those thorns and enjoy the beauty of the rose.