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Every single one of me

Is not what it appears to be

In front of you, you're eyes are wrong,

But work us out, relationships grow strong,

I start not thick or fat,

Add ink in me and find I'm thinking that.

'Every single one of me? How many one of mes are there?'
'At least every single is one.'

Riddle Answer A Thing

Riddle Explanation
every single one of me is not what it appears to be - things aren't what they seem.

it appears to be in front of you, you're eyes are wrong - to be seeing things.

but work us out, relationships grow strong - to work things out.

I start not thick or fat - starts with thin.

add ink in me and find I'm thinking that - add ink to the middle, and you spell thinking.