What do you think about two words?

Hello,

I watched How I met your mother (one of my favourite series), and I met two words, but i dont know whats the difference between 'soulmate' and 'love of your life'. What do you think about these two word has two meaning or they're same?

 

Favourite song

<em>Hi everyone, </em>

<em>I want to listening to music, and know more about other countries cultures and music. </em><em>Can you offer it for me?  </em>

<em>What's your favourite song or band, perfomer, singer? And why? </em>

<em> </em>

<em>
</em>