However, withdrawal from caffeine is seldom dangerous, though it can make one uncomfortable for a few days. The most frequent symptom associated with this withdrawal is a moderate to severe headache. This can occur between 12 and 24 hours after last intake of caffeine.
Okay, for step one you need to get the command blocks in your inventory. Make sure you have cheats ON and say /give (player name) command_block. After you get in in your inventory place 5 in a row.
To have them use the color you specify, change the block color to BYBLOCK. To change the block color in your current drawing. Use the INSERT command to add another instance of the block. Explode the new block. At the Command prompt, enter chprop Select objects: Select the objects in the exploded block.