Flirting is a pure fun and often is the foundation for new relationship. In that case married man flirting with a person other than his wife may not be a scary event but it cannot be a the foundation of a concrete relationship and there are fair chance that the involved individuals may face tremendous emotional turmoil if the flirting leads to any affair. Therefore if flirting with men is to be taken as a game of heart it is better to be aware of married man flirting because the issue is sensitive and might not be simple and plain game of friendly interaction in the long run.
A married man may get bored in his married life and for him flirting is the new venue of refreshment. However if the man asks a lady to chat him on phone in unpredictable time and in unpredictable way it is to be assumed that he is doing the flirt at his leisure time and when it will be the family call, he will leave the issue and will join his family.
A married man doing flirting will never be involved in emotional dealings because he wants some pleasure out of the new relationship venue, and he has least intention to carry a emotional relation instead. Te effort may work refreshing for the man but the result of the flirting may create turmoil in the emotional realm of the recipient of the flirting.
Married men cannot make any commitment because he is already committed to somebody else. If he is doing flirt with a lady he is doing out of his social norms. In this way you have to consider that either he is not abide by social norms, or in other cases he has no family value. In both the cases the problem is unending. Now it is to be decided if it is wise to be wooed by a man who has no basic values of life.
Flirting with married men is risky for social status as well as for emotional security. It is good to taste forbidden fruits for pleasure however, it may not prove wise to go against the current it may do harm for emotional health.