This statement expresses a profound sense of gratitude and happiness in a relationship:
"You always make me feel like": It indicates that the person's partner consistently creates a particular emotional experience.
"I am the luckiest guy in this world": This part conveys a deep appreciation and a sense of being incredibly fortunate and content in the relationship.
In essence, this statement reflects the joy and fulfillment one finds in their partner, emphasizing how their presence and love make the person feel exceptionally lucky and blessed in their relationship.