no. a simile is a phrase with like or as in it. Has given your heart would be an idiom
'his heart ticks like a clock' or 'the clock beats like a heart'
Happiness is like a refreshing stream, flowing from heart to heart in endless circulation.
as big as... ...the sky ...the ocean ...a mountain ...a planet
he/she has a heart as dark as the deepest depths of the ocean
simile
It's a metaphor. A simile is a comparison using LIKE or AS.
Simile
Its a simile because it has the word like in it :]
'his heart ticks like a clock' or 'the clock beats like a heart'
A heart of gold itself is an expression relating to someone kind. "They have a heart of gold".
My heart is just as silent and it to is yours.
Happiness is like a refreshing stream, flowing from heart to heart in endless circulation.
he/she has a heart as dark as the deepest depths of the ocean
he/she has a heart as dark as the deepest depths of the ocean
as big as... ...the sky ...the ocean ...a mountain ...a planet
metaphor
Her pain was like a dagger twisting in her heart.