July 2020
Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.64.84.1020
What expansions, game packs, and stuff packs do you have installed? All except spooky, kids room, tiny living
Steps: How can we find the bug ourselves? Get bug box
What happens when the bug occurs? Bug health decreases and nurturing hardly helps
What do you expect to see? nurturing actually makes a significant difference
Have you installed any customization with the game, e.g. Custom Content or Mods? Never used.
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure
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July 2020
I have found that you have to nurture a bug box 5 or 6 times in a row to get them to thriving. It takes a lot of time to do that though.