Being bubbly may well endanger your health. You are especially liable to be abducted and/or murdered, and your likelihood of being in a fatal accident is also significantly increased.
"She was so bubbly; she had all her life ahead of her."
One up for the sour pusses, I'd say. It's a great motivation to stay grumpy and sullen. We'll have better odds of survival.
We all understand the hidden meanings attached to words like bubbly, even though we don't always consciously acknowledge them.
For instance the dictionary definition of spry is recorded as 'brisk, active'. But we wouldn't call a teenager spry. Only old people - or old cats - who surprise us by their nimbleness despite their advanced age, qualify as spry.