Dragon Ball Z Bulma How And When Did Bulma Start Liking Vegeta In Dragon Ball Z?

How and when did Bulma start liking Vegeta in Dragon Ball Z? - dragon ball z bulma

Yes, I am a big fan of DBZ, but this "concept" of Bulma and Vegeta, like others I have always been. If possible, a URL of an episode that the first condition or something like that would be nice to show: D
Everything else is great too!