(Help) I need somebody
The singer is in need of someone to assist him.

(Help) not just anybody
Anybody is not suitable to provide him with the kind of assistance he needs.

(Help) you know I need someone, help
The singer is exclaiming his cry for help in desperation.

(When) when I was younger (when I was young)
The singer is reminiscing about his past and his younger days.

So much younger than today
He is acknowledging that he is much older now.

(I never need) I never needed anybody's help in any way
He was self-sufficient in his youth and did not require anyone's assistance.

(Now) but now these days are gone (these days are gone)
He is admitting that he is not as capable as he used to be.

I'm not so self assured
His confidence has diminished over time.

(And now I find) now I find I've changed my mind
He has changed his perspective and requires help now.

And opened up the doors
He is now open to the idea of seeking help.

Help me if you can, I'm feeling down
His emotional state is in distress and he needs assistance to feel better.

And I do appreciate you being 'round
He is grateful for someone being around to help him at his time of need.

Help me get my feet back on the ground
He needs someone to help him regain his sense of stability.

Won't you please, please help me
He is pleading with someone to give him the assistance he requires.

(My independ-) my independence seems to vanish in the haze
Even though he values his independence, he is struggling to maintain it.

(But) but every now and then (now and then)
Although it is not all the time, there are periods of time when he needs help.

I feel so insecure
He is admitting that he lacks confidence in himself and his abilities.

(I know that I) I know that I just need you like
He understands that he requires someone's help to feel better.

I've never done before
This is a new experience for him and he is learning to be vulnerable and ask for help.

Help me, help me, help me, ooh
He is desperately pleading for someone to help him in this difficult time.