Life isn't transactional.
There are 3 pillars for any relationship - Love, Trust and Respect. Yes, love is in all relationships! The other 2 might readily be understood and love might stand out! "Do I love my colleagues? I like them, and is that love?" Yes, like IS a subset of love!
"I will love you if you will love me back" is a transaction! It's a simple quid pro quo, an exchange! In the context of "love," it could even be considered immoral if the exchange was of a cer