To reiterate,
Fsus 2 is just a F with an open d string which you hammer on the 2nd fret(* is the hammer on sign).
Fsus 4 is the same as a F except the d string is played on the 3rd fret.
Fmaj9 comes up later and it's like a F except the middle note is on the a string not d
This is how Mitch plays it himself.
Fsus2 * Fsus4 x3 F
Fsus2
i'll start it off by saying i'm not one for the complaining
Fsus4
you wouldn't know it from my writing
F
you wouldn't know it from my songs
Fsus4 Fsus2 *
but i am different, i am free
Fsus4 Fsus4
i am what you need
Fsus2
F Fsus2
but oh my god, i miss you more than i thought was possible
Fsus4 Fmaj9
i understood the obstacles but you could have tried more
F Fsus2
because sometimes it seems, i need a mom more than i need to eat
Fsus4 F
so i didn't eat and i didn't sleep, i'd go all day without a bite
Fsus2 *
and that's not my fault
Fsus4
that's not my fault
Fmaj9
F Fsus2
and i'll admit sometimes my chest gets so tight that i throw fits
Fsus4
you said you'd always be there, where are you through all of this?
F Fsus2
because this is hard, this is way harder than i thought
Fsus4
i'm so concerned about the ending that i don't even know the plot
F Fsus2 F
except for i am different, i am free
Fsus4
i am what you need
F Fsus2 F
i am different, i am free
Fsus4
i am what you need
F Fsus2
so you think of all the things that make you sad
Fsus4
and don't include them in your better half
F Fsus2 Fsus4
because i'm not like you
F Fsus2 Fsus4
i don't find happiness in a meaningless existence
F
i don't know what i'm going to do
Fsus2 F
but i am different, i am free
Fsus4
i am what you need
F Fsus2
and yeah, i believe that there's a god
Fsus4
i believe that there is something out there other than my thoughts
F
i believe it was never science against religion
Fsus2
it wasn't poor against wealth
Fsus4
It was always me against myself
F
and i'm so scared who's going to win
Fmaj9
because i wake up feeling so shitty
F
it's been so long since you've been with me
Fsus2
i don't know where this old body's going to go
or my soul
F Fsus4
but i know i am different, i am free
Fsus2 F
i am what you need
F Fsus4
i am different, i am free
Fsus2 Fsus4
i am what you need