Joshua's Heart

The name of this movie is Joshua's Heart released in 1990-09-10 and it's main theme is 10 year old Joshua's father has a new girlfriend every 5-8 month. Joshua finds out how a mother's love feels, when he meets Claudia, his father's Nth girlfriend. The trouble is that his father's love with her ends after a couple of month too, but Joshua's doesn't. Could she adopt him?.