Best friends with benefits.
Usually someone you hold an emotional attachment to, but are attracted to them, but don't want to ruin the bestfriends part of the relationship.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.