May I ask if they don’t speak love do they do acts of love? Showing love through speaking is a very American way of expressing it. In China it is more common for my parents generation to do acts of love such as cooking, cleaning, and treating one to things rather than ever saying I love you. Maybe your family shows their love through actions?

On the other hand, Buddhists and those on the Bodhisattva path are called for a great compassion for all beings. This starts with yourself then your family spreading forever outwards. At its core this compassion is from seeking to develop bodhicitta. Being compassionate to others to help alleviate their suffering. One would never succeed if they expected some external confirmation of this.

This link may be helpful :)

Interesting read. That’s a massive complex!