The speaker is becoming concerned that their relationship with their partner isn't what it used to be. They're concerned about whether it's worth spending more time on a, perhaps, failing relationship and if they're even worthy of this person anymore.
However, at the same time they do have hope, despite what may have occurred - they're looking forward to moving forward, through these hardships, with this person.
The chorus has the speak pleading, or crying out to this other person. They still love them and need to know what it will take for them to make it work.
The meaning is quite clear.
The speaker is becoming concerned that their relationship with their partner isn't what it used to be. They're concerned about whether it's worth spending more time on a, perhaps, failing relationship and if they're even worthy of this person anymore.
However, at the same time they do have hope, despite what may have occurred - they're looking forward to moving forward, through these hardships, with this person.
The chorus has the speak pleading, or crying out to this other person. They still love them and need to know what it will take for them to make it work.