Rubber tree leaves start to open but do not open all the way – half way up they stay curled

Question

What can we do to prevent this? Have another plant that is probably 30+ years old and still going great.

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Answer 1

Your images show two different plants; Rubber Tree and a Bird of Paradise.
These links will help refresh you on the care.
https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/bop/bird-of-paradise-as-a-houseplant.htm