Eternity; for a man waiting for his lover to come back.
A Race; for a teenager when her date smiles and dances with her.
A tonne;  when you are walking towards the much dreaded.
Choked; when your love doesn’t belong to you no more.
Shattered Glass when all dreams and hopes were dashed and betrayed.

So how does my heart, as a big as it is, contain it all?
My poor heavy heart