Affair vs. fling vs. casual sex vs. FB, etc.

Could I please get opinions on this question.... H had " relationship " with co- worker. Flirting over 4 month period. Went over to her house during lunch hour 4 times. 15-20 minutes each time. Because of work...one or the other were always out of town. 1st year.... 1st time....He MB in front of her. 2nd time....MB each other. March and August.. 2nd year.... 3rd time....MB each other. 4Th time....intercourse. March and July. Then she moved away. There was little talk when over there, no kissing, no hugging, no emotional connection. Was only role playing each others fantasies outside. Didn't have cell phones or home computers at that time. (Years ago). It's established it was cheating obviously. But.... Would you consider this a: 1)....Long term affair 2).. Casual sex 3)....fling 4)....f*^k buddies 5)....friends with benefits 6) anything else?

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