The term Bullish comes from the bulls attack by charging up, when we say the market is Bullish
were talking about a strong uptrend. Where prices are rising and expecting to rise for a long-time.
You can Imagine fun situations, like your Boyfriend says I'm so handsome it's all optimistic
at that time investors feel confident about the future of their investment capital and believe prices will keep climbing.
What is Bullish? (https://www.ig.com/en-ch/glossary-trading-terms/bullish-definition)