After it's over there's exhilaration3. You wouldn't have that same feeling if the risk hadn't been there." Psychologists note that some people seem to have a strong craving for adrenaline rushes as a thrill-seeking behavior personality trait. As a result, these types people may always be driven to adventures that others consider extreme. "I can enjoy hitting the tennis ball around, because that's my skill level," Murphy said. "But others might need the challenge of Olympic competition.