Human sexuality is the capacity to have erotic experiences and responses. A person's sexual orientation may influence their sexual interest and attraction for another person. Sexuality can have biological, physical, emotional, or spiritual aspects. The biological and physical aspects of sexuality largely concern the reproductive functions of the sexes (including the human sexual response cycle), and the basic biological drive that exists in all species. Physical, as well as emotional, aspects of sexuality also include the bond that exists between individuals, and is expressed through profound feelings or physical manifestations of emotions of love, trust, and caring. Spiritual aspects of sexuality concern an individual's spiritual connection with others. Sexuality additionally impacts and is impacted by cultural, political, legal, and philosophical aspects of life. It can refer to issues of morality, ethics and theology, or religion. (Full article...)
Human sexual activity, or human sexual practice or human sexual behavior, is the manner in which humans experience and express their sexuality. People engage in a variety of sexual acts from time to time, and for a wide variety of reasons. Sexual activity normally results in sexual arousal and physiological changes in the aroused person, some of which are pronounced while others are more subtle. Sexual activity may also include conduct and activities which are intended to arouse the sexual interest of another, such as strategies to find or attract partners (courtship and display behavior), and personal interactions between individuals, such as foreplay. Sexual activity may follow sexual arousal. (Full article...)
Sexual dysfunction or sexual malfunction is difficulty experienced by an individual or a couple during any stage of a normal sexual activity, including physical pleasure, desire, preference, arousal or orgasm. According to the DSM-5, sexual dysfunction requires a person to feel extreme distress and interpersonal strain for a minimum of 6 months (excluding substance or medication-induced sexual dysfunction). Sexual dysfunctions can have a profound impact on an individual's perceived quality of sexual life.