**Core Concept**
Excessive sexual desire in males, also known as hypersexuality or nymphomania in females, is a psychiatric condition characterized by an intense and persistent desire for sexual activity. This condition can be a symptom of various underlying psychological disorders, including bipolar disorder, schizophrenia, and impulse control disorders.

**Why the Correct Answer is Right**
The correct answer, **Hypersexuality**, is a term used to describe an excessive or compulsive preoccupation with sexual thoughts, feelings, or behaviors. This condition can be a manifestation of an underlying neurological or psychiatric disorder, such as a brain tumor, traumatic brain injury, or a mental health condition like bipolar disorder. In some cases, hypersexuality can be caused by an imbalance of neurotransmitters, such as dopamine, serotonin, or norepinephrine, which play a crucial role in regulating sexual behavior.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not a recognized medical term for excessive sexual desire in males.
**Option B:** This option is a term used to describe a fear of sex, not an excessive desire for it.
**Option C:** This option is a term used to describe a paraphilia, which is a type of abnormal or atypical sexual behavior, but it is not a direct synonym for excessive sexual desire.

**Clinical Pearl / High-Yield Fact**
It's essential to note that hypersexuality can be a symptom of various underlying conditions, and a thorough evaluation by a mental health professional is necessary to determine the underlying cause.

**Correct Answer: B. Hyposexuality. Hypersexuality.**