Relationships

When we profess to love UNCONDITIONALLY, why is it that that love is often built on the condition that we receive the love (or at least the acknowledgement of it) in return?

Relationships

Roughly how long does it take for the “newness” of a new relationship to wear off and the “comfortability” to kick in? When this occurs, how can one or both of the people continue to have that newness that heightened their attraction to each other in the earlier stages?