Basically, we have two species of flowers:

 

First one are those, which demand care and attention at least once for couple of days. Without it, sooner or later they inevitably perish- that is certain.

 

On the other hand, second kind is slightly different. All you have to do, is plant the damn thing and just go away, leave it to its own destiny.  It requires nothing and survives everything.  And yes, at last, here is the point- when it comes to love it works on the very same principle.

 

All that matters is which kind of flower you have…