Actions and reactions alike are a response to specific input, whether feelings (internal) or other actions (external)
Whether or not the action/reaction is motivated by love is ususally interpreted by an observer, and not always correctly.
It is the actor/reactor who is best placed to assess whether or not the action is motivated by love.
That requires the actor to be brutally honest with themselves if they want the truth.
All of this dependent on how you define love.
If i'm acting/reacting for my interests, it isn't love
If I'm acting/reacting for yours, assuming you are someone I profess to love, it might be.
But so many other emotions are tangled and confused with love. (desire, need, want, kindness, affection) that it is often hard to determine whether your reaction is a loving one, or a need/want/desire one.
Not sure if that approaches the question, but offered honestly.