Yes, the phrase "It’s been a rollercoaster" is grammatically correct. It is an idiomatic expression that means the speaker has experienced a lot of ups and downs, changes, or unpredictable events, often referring to emotional experiences or situations that have varied in intensity and circumstances.
A few ways to rephrase this could include:
- "It has been quite a journey."
- "There have been many highs and lows."
- "It’s been full of