The fear that they have that you won't be secure when they're not here, that you won't be able to make enough money, that you won't be satisfied for years to come, and try to address those fears to communicate your values to your parents.
Tienen miedo de que no tengas seguridad cuando ellos no estén, de que no vayas a ganar lo suficiente, de que no tengas satisfacción en un futuro, y tratar de abordarlos y comunicarles tus valores a tus padres.