Imaginary Friend - The Thick And The Thin chords

The Thick And The Thin by Imaginary Friend ft. Kina Gannis

Chords used:
F#(244322)
G#(466544)
C#sus4(991111xx) x-muted
C#(911111099)
Fm(133111)


Intro: F# G# C#sus4 C# F# Fm G# (x2)

 F#               G#
Call it what you will
C#sus4            C#
I'll be standing still
F#             Fm   G#
Watching you until you make up your mind

F#                G#
Pack it, send it home
   C#sus4          C#
Or leave it there alone
   F#             Fm         G#
A perfect, empty stone with nothing inside


BRIDGE:
    F#                 Fm                G#
And all that you ever wanted could slip away
    F#                 Fm           G#
The water is getting colder than I can take
[ Tab from: http://www.guitaretab.com/i/imaginary-friend/376497.html ]
CHORUS:
F# G#  C#sus4       C#          F# Fm G#
Oh oh, who are you waiting for?
F# G#  C#sus4       C#          F# Fm G#
Oh oh, who are you waiting for?
F# G#  C#sus4       C#          F# Fm G#

F#                G#
I'll be knocking soon
C#sus4        C#
Open up your room
F#           Fm             G#
Now I won't assume you're letting me in

F#              G#
Show me how to prove
    C#sus4          C#
I'm good enough for you
F#                   Fm
That we can make it through
                   G#
The thick and the thin

BRIDGE:
    F#                 Fm                G#
And all that you ever wanted could slip away
    F#                 Fm           G#
The water is getting colder than I can take

CHORUS:
F# G#  C#sus4       C#          F# Fm G#
Oh oh, who are you waiting for?
F# G#  C#sus4       C#          F# Fm G#
Oh oh, who are you waiting for?

F#   C#   G#
Ooh oohh oohh (x 4)


It would be easier to play if you put capo on the first fret and play a normal F,G,C and 
Em. But I can't figure out what's C#sus4.