A lot of pressure is on kids as they become an adult and have to find their way in the world, however a core aspect of life has been controlled for them. At the age of 18, everyone stops ageing and stay like that until they find a soulmate to whom they can share the rest of their lives with. However, whereas some people continue on with their lives, knowing that they won't have to worry about love, others seek to understand this concept and choose to either control it for the better of mankind, or for their own selfish gains.