Dwesha

Dwesha
repulsion; something which brings pain or enmity
E
Ekagra
the state of one - pointed attention ...

Raaga and Dwesha (or the attachments and aversions) for the sense objects remain in the senses. One should not come under the control of these two, because they are two stumbling blocks, indeed, on one's path of Self-realization. (3.34) ...

When the expectation is not fulfilled, the attraction turns into repulsion and hatred (dwesha). In either case one suffers from insecurity, stress, anxiety, and fear of various sorts.

See also: Mind, Yoga, Saraswati, Ananda, Swami