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I try to always keep a positive attitude and a smile on my face

If so, then you are doing a good job with life already

thanks :) so far its working well for me ;)

I hope it keeps working well ;)

I will do my best to keep it that way

Thank you sir

MOst welcome and no need to call me sir, Just call me JJ

That is generous of you, I have adopted this from most of the Americans way ahead me in age and in experience calling me sir :D