First: thank you I didn't know that.Sadly I couldn't correct it. Second: Should I mention it in title ? Third: I didn't know that either. thank you. About wor

First: thank you I didn't know that.Sadly I couldn't correct it. Second: Should I mention it in title ? Third: I didn't know that either. thank you. About worthiness of your time , I think does not come any harm from reading if it not become belief.