80s movie on cable girl’s mom goes insane thinking people are in the house NOT HORROR

A movie I saw in the 80s on cable tv.  A girl with siblings lives with their mother who is slowly going insane.  In one scene the girl is talking to an African-American woman, the mother of her friend, I think:
“Mother is going crazy”

“My daughter is probably saying the same thing about me”

“No, she’s really going insane. she thinks there are people hiding in our house”

The movie ends with the mother losing her mind and getting hysterical.  The daughter moves to a city and is quite happy.

There’s a recurring theme song sung by a woman:

This time, we’re gonna make it

this time we’ll be a happy family

3 thoughts on “80s movie on cable girl’s mom goes insane thinking people are in the house NOT HORROR

    1. I think that’s it but I can’t find any clips on YouTube to confirm it! Darn!
      But thanks!

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