I could be really off, but this sounds very decent on an acoustic guitar to me. 
Throw a Capo on one and play these chords relevant to capo. The F#m might be 
difficult if you've never played it this way before.

e|--0---0---0---0---0-------------------|
B|--0---0---0---0---0-------------------|
G|--2---1---4---2---6-------------------|
D|--2---2---4---4---6-------------------|
A|--0---2---2---4---4-------------------|
E|------0-------------------------------|
    A (x02220@1) E (022100@1) B (x2444x@1)F#m (244222@1)name="chord_x13321@4">C#m

Intro: A, E, B, B x2

Verse:
                          AAnd (x02220@1)I'm tearing down the walls I've made
                  E (022100@1)           BTo (x2444x@1)try and keep girls like you away
                  A (x02220@1)                            E (022100@1)    BBut (x2444x@1)still you'll find your way right back into my heart
                     AAnd (x02220@1)am I'm the only one like this
                   E (022100@1)         BThat's (x2444x@1)finding it hard to be missed
                           F#mI've (244222@1)been waiting here for just one kiss
              E (022100@1)    BFrom (x2444x@1)someone else's lips

Chorus:
     A (x02220@1)   E (022100@1)    BAnd (x2444x@1)I'll be just fine
If you just stay here for a while
     A (x02220@1)  E (022100@1) BAnd (x2444x@1)I'll be okay
If you just stay with me x2

Verse:
                        AAnd (x02220@1)I'm staying up all night again
                     E (022100@1)       BWriting (x2444x@1)songs about where and when
         A (x02220@1)                                E (022100@1)  BI (x2444x@1)could hold you 'til you rest your head to sleep
                                 AThis (x02220@1)is the part where I should act my age
                        E (022100@1)    BGo (x2444x@1)get a job and let's all get paid
                          F#mWe'll (244222@1)live it up 'til the end of days
        E (022100@1)          B (x2444x@1)      F#mYou (244222@1)and me, wait and see, honestly
         APlease (x02220@1)promise me

Chorus:
     A (x02220@1)   E (022100@1)    BAnd (x2444x@1)I'll be just fine
If you just stay here for a while
     A (x02220@1)  E (022100@1) BAnd (x2444x@1)I'll be okay
If you just stay with me x2

Bridge:
A *ring*
Stay with me
A (x02220@1)   B (x2444x@1) C#m (x13321@4) E (022100@1) 
Stay With Me
A (x02220@1)   B (x2444x@1) C#m (x13321@4) E (022100@1) 
Stay With Me
A (x02220@1)                    BAnd (x2444x@1)all I wanted was a happy ending
C#m (x13321@4)               EA (022100@1)better life just stay with me
A (x02220@1)   B (x2444x@1) C#m (x13321@4) E (022100@1) 
Stay With Me

Chorus:
     A (x02220@1)   E (022100@1)    BAnd (x2444x@1)I'll be just fine
If you just stay here for a while
     A (x02220@1)  E (022100@1) BAnd (x2444x@1)I'll be okay
If you just stay with me
*keep repeating*