How early should I start talking to my child in Filipino?

What do you want to know?

Why do kids find Filipino difficult?
Why are my kids having difficulty in school when we speak Filipino at Home?
How Do I Know If My Child's Filipino is Good Enough for His Grade Level?
What do I do when my child does not want to practice reading?
What books can you recommend for my child's age?
How do I help my child improve in reading comprehension?
How do I motivate my child to learn Filipino and boost their confidence in speaking in language?
How Do I Make My Children Love Reading?
How Should Writing be Taught?
What should my child be reading at this age?
Will enrichment programs just replicate what is learned in school?
How Do I Choose The Best Books For My Child?
Why is it so hard for my child to learn Filipino?
How do I help my child with books they cannot understand?
How early should I start talking to my child in Filipino?
What books or TV shows can I offer to my child?