Samson couldn’t drink any wine or strong drink, or eat anything from the vine because as a Nazarite, he had to learn how to control his desires, by learning how to be self-controlled & disciplined. A person with this call on their life have to be led by the Holy-Spirit in everything they do. As the Spirit of God would be very evident in their life. They also need to identify their weaknesses, in order to strengthen that area, because one weakness could ruin their entire life.