Sara is insensitive to jane's feelings, and she acted very silly when the girls went skating for the first time. sara is probably

Sara is probably unpopular.
In general, people acted silly in front of their peers in order to gained attention from their social group.
Combined with the fact that Sara is insensitive to her friend's feeling, we could conclude that Sara is not received very well among her social groups despite her efforts to gained attention.

Truehope this : )