Here's why:

* Water is a polar molecule: It has a bent shape with a slightly positive charge on the hydrogen atoms and a slightly negative charge on the oxygen atom.

* Hydrophilic molecules are also polar: They have regions with partial positive and negative charges, allowing them to interact with the positive and negative poles of water molecules.

This polarity allows water and hydrophilic molecules to form hydrogen bonds, which are weak but numerous interactions that contribute to the attraction between these molecules.

Think of it like magnets: water molecules act like tiny magnets, and hydrophilic molecules also have "magnetic" properties that allow them to stick to water. This attraction explains why water is so good at dissolving many substances.