Relationship between type 2 and type 4

The altruistic and the artist

Elena Gilbert (The Vampire Diaries)
Dracula (Bram Stoker's Dracula)

Attraction

The 4 is attracted by the optimism, the sociability, the affection as well as the attention which gives him the 2. He also admires the capacity of the 2 to naturally act to make things progress.
The 2 is attracted by the emotional depth, sensitivity, mystery, creativity and compassion of the 4.
These two types are very romantic and can form a deeply sentimental and fusional relationship.

Points where to be careful

These two types are very emotional and sensitive, and may have difficulty expressing their needs in the relationship.
The 2 can sometimes see the 4 as being too depressed, egocentric, passive and selfish.
The 4 can sometimes see the 2 as being too intrusive, stuffy, manipulative and sticky.
The 4 can be very disappointed if he interprets the flattery of the 2 as being a manipulation so as to feel loved and might find it superficial.