it's really simple, but very fun to play, it's just chords going tru the song:
~ = just let the tone ring
s =slide up to/ down to
[ Tab from: https://www.guitartabs.cc/tabs/r/robbie_williams/better_man_btab_ver_2.html ]
G------------------------|
D------------------------| repeat
A------------------------|
E-1-1-1-1-1-1~-----------|
chorus:
G--------------------------------------------------------|
D--------------------------------------------------------|
A--------------------------------------------------------|
E-1-1-1-1-1-1~-s4-4-4-4-4-4~-s6-6-6-6-6-6~-s1-1-1-1-1-1~-|
