How to Tell a Married Colleague

Any couple or affiar person help me in this. Never had such thing and recently started had one hook up with unmarried couple

how i can to tell her, i wanna fuck her she is my office co worker, married and have kid most of time her husband remain out side marketing job international tour each month, starting she talk a lot recently tried but dont know how to make hint i wanna fuck her. how to catch her hint and how to give her hint.