Let $\psi$ represent soil suction head and $K$ represent hydraulic conductivity of the soil. If the soil moisture content $\theta$ increases, which one of the following statements is $\text{TRUE}$?

1. $\psi$ decreases and $K$ increases
2. $\psi$ increases and $K$ decreases
3. Both $\psi$ and $K$ decrease
4. Both $\psi$ and $K$ increase