2. Recognize the Drug
Depressives and addicts are especially prone to affairs because of the head rush that comes with infatuation. The spikes in dopamine and norepinephrine we experience upon connecting with someone new fools us into thinking that the sexy man or attractive woman at the bar holds the key to our nirvana and the end to our problems. This is the same as, say, the high from cocaine. Recognizing that that rush is not real, meaningful, or lasting, can help a married person to "just say no."