Lisa Niemi is reflecting on her late husband's life and career

"It's really incredible," Niemi says of the continued love for the movie

She continues, "for their work to live on like that and make such an impact in such a positive way

Niemi reveals that her late husband "had that down forever."

Swayze was approached about in the wake of the original movie's success.

"He would not do it again," Niemi says

Niemi was married to Swayze from 1975 until 2009