1. She can be excessively generous and will go out of her way to help others.
2. The couple next door is always in each other's pocket, rarely seen apart and excessively reliant on each other.
3. Mary used to have a healthy figure, but now she's been dieting excessively and looks skinny as a pole.
4. The athlete who trains excessively without proper rest and recovery may end up injuring themselves, proving how too much of anything is good for nothing.