People use materials that come from earth. these materials are called

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.

when your a dog and you need a bone.   go and eat a rabbit

aliens arent real sorry bud

for your question the answer would have to be france