When you are so attached to someone/thing that everything reminds you of them.
Twin Galaxies, I believe, are when two galaxies are close enough that they exist as one, enjoy life as one, but are ultimately doomed in the end. No other galaxies are nearby, presumably.
Another song they write about...
I remember the day
Still remember the time
I remember the place and the weather
When I heard the news about you
I recall what she said
On the morning I received the news
Nearly dropped to my knees from the message
How could this be true about you?
Things just ain't been the same
Since that day you went away
I do regret I did and say
All of things I should not say
Now how am I going to maintain?
From the unknown I begin to gaze(?)
I must be strong to carry on
But how I'm gone make it on my own
So where do we go from here
What am I to do without you near
I hold on tight embrace the fear
Knowing your spirit always there
Things just ain't been the same
Since the day you went away
But I must be strong to carry on
How I'm gon' make it on my own
Physically rinsing me
Well and truly drenching me
All I need is room to breath
All I need is room to breath
Space to move
Place that does being me spiritually
Cleansing me
Well and truly crushing me
All I need is room to breath
All I need is room to breath
Space to move
Place that does me me