I'm flattered by all the replies.

It occurred to me that if you were going to send your only child out into interstellar space cared for by a machine, then you'd program it to love him...

You got it right, Ann, and even thought of an angle or two I had only thought of subconsciously.

Karen...I too have that image of mechanical arms. Thanks.

Thanks DS Dragon. Thanks for losing top banana, Roo.

Thanks Queen of Capes, BJ.

Elisabeth, James, thanks again.