たまらない => can not bear N2
Emphasis on degree
なれた => to be used to something N4
Repetition, habit
たまらない => can't help but; dying to; extremely ~ N2
または => or N4
また => (Choose) or N3
Selection
せられたい => Please..., Let me... N3
Order
~ ば/たら~かもしれない => If only... then... N2
Regret
~ ば/たら~かもしれない => If...then maybe... N3
Condition (hypothetical condition)
いただきます => to receive N4
Benefit
... るとか ... るとか => それとも... または N4
Demonstrate by example
ました => Did something... N5
Conjugate verbs
またもや => again N3
Repetition, habit