Sal's mother was hugging all the tree and kissed one of them after eating a blackberry
On the way home from school, Ben preformed a "psychic" movement on Sal. While trying to make Sal think he was doing his tricks, he was actually testing her to see if she would flinch when he held her hand, which she did not.
When Phoebe got home from school, she noticed that there was no meal on the table. She also noticed three letters on the counter. On said "Phoebe". One said "Prudence". One said "Dad". Inside each letter was a message that said, "I've gone away. I don't have time to explain, I'll call you in a couple days."