That's an... interesting question!
To be honest, it's not possible for a human to literally become a pineapple. Pineapples are a type of tropical plant that grows on trees and has a specific biological makeup that is very different from humans.
But if you're asking in a more metaphorical or humorous sense, I'd say being a pineapple could mean embracing some of the qualities that pineapples are known for, such as:
* Being sweet and juicy (having a positive attitude and being enjoyable to be around)
* Having a tough exterior but a soft interior (being resilient and strong on the outside, but gentle and kind on