"All yours" means that they are devoting all of their attention to you. This is something you might hear when someone has been very busy, but now they are going to pay attention to whatever you need.
It might also mean that they plan to devote themselves to you in a monogamous relationship if used in a romantic sense.
If someone says that they validate you as a person, they mean that they consider you to be a worthwhile person.
what does it mean for someone to be attracted to you
what does it mean when someone says stalactites stem from the ceiling of a cave
they are interested in you
what does it mean when someone says "you have lost your reason and taken the wrong path?"
When someone says they are pining for someone this means their heart aches and they miss that person and that is all they can think of.
They mean get your act together.
It could mean they are amazed.
KAMA
You mean when someone says "you're" heavy? It probably means you're heavy and they don't realize you think you're not.
It means you must be very observant..
It is a mutual understanding what we refer as Love.