I could not love my boy any better if he were my very own.

[nuniunu]

I'm certain I could not love my boy any better if he were my very own.

The boy mentioned here is adopted by a woman and this woman said like that.

Can I understand this sentence like this?

Even if I gave birth to him myself, I'm sure I could not love him more than now.

 

[teechar]

Even if I gave had given birth to him myself, I'm sure I could not love him more than now.

Yes, that's what it's saying.