1. The news of her grandmother's passing made her even sadder than she already was.
2. As the days went by without any sign of her lost dog, she grew sadder and sadder.
3. The sadder he became, the more he withdrew from his friends and family.
4. Seeing the abandoned puppy on the side of the road made her feel even sadder than she thought possible.
5. The sadder he felt, the more he turned to music as a source of comfort.
6. The sadder she became, the less she felt like socializing with others.
7. As the reality of the situation sunk in, he grew sadder with each passing moment.
8. The sadder she felt, the more she found herself seeking solace in nature.
9. The sadder he got, the more he found himself losing interest in his hobbies.
10. The sadder she felt, the more she relied on her friends for support.