ATTACHMENT
Definition: Exaggerated not wanting to be separated from someone or something. (Exact opposite of Aversion) Because the label of "pleasant" is very relative and based upon limited information, Attachment includes an aspect of exaggeration or "projection".
Near "enemy" (or not to be confused with): Real appreciation, love and compassion.
Opposite: Wanting to be separated from someone or something: aversion.
Main quality: exaggeration of positive qualities, which can only lead to disappointment. Falling in love will usually fit very well in this category.

LOVE
Definition: Wishing others to be happy.
Near enemy: Conditional love (attachment).
Opposite: Wishing others to be unhappy: hatred --or-- not wishing others to be happy: which is indifference or egotism.
Main qualities: Unconditional, no self-interest, but based on self-acceptance.