Manic:  Relating to, affected by, or resembling mania.

Mania: An excessively intense enthusiasm, interest, or desire; a craze: a mania for neatness, (Psychiatry) A manifestation of bipolar disorder, characterized by profuse and rapidly changing ideas, exaggerated sexuality, gaiety, or irritability, and decreased sleep.

Contrive: To plan with cleverness or ingenuity; devise: contrive ways to amuse the children. To invent or fabricate, especially by improvisation: contrived a swing from hanging vines. To plan with evil intent; scheme: contrived a plot to seize power. To bring about, as by scheming; manage: somehow contrived to get past the guards unnoticed.