It's "And one last straw could be strong enough to make this work."
and the other part:
"Just one time is all it takes;
One time is all it takes.
(Timing shows I needed to prove that I was)
Just one time is all it takes,
(Strong enough to be on my own.)
One time is all it takes
(We're taking time with bad excuses)
Just one time is all it takes.
(I've got to show when to know that everything is all right.)"
It's "And one last straw could be strong enough to make this work."
and the other part: "Just one time is all it takes; One time is all it takes. (Timing shows I needed to prove that I was) Just one time is all it takes, (Strong enough to be on my own.) One time is all it takes (We're taking time with bad excuses) Just one time is all it takes. (I've got to show when to know that everything is all right.)"