Proper explanation for depression of freezing point
A simple "intuitive" oversimplification: intrusive foreign molecules get caught between solvent molecules, getting in the way of crystallization. That, however, would contradict the similar boiling point elevation.

Another oversimplification: the solute molecules pull the solvent away from the incipient crystals.

Yet another simplistic answer: osmosis exerts a force on the solvent, pulling it back into solution, away from the pure crystal of solvent.

Perhaps the last explanation is closest to a statistical analysis of freezing point depression.

Hopefully, chemistry will not be a depressing subject.