It's wrong to sleep around because that's slutty.
Mary is devastated when her boyfriend dumps her after telling her he finds her sexually boring.
Mary wants to feel better about her sexuality.
Mary devotes herself to rebuilding her self esteem.
Mary decides to gain experience by sleeping with multiple partners in a short period of time.
Mary is able to get past her ex's cruel words and find a better suited partner.
Mary's reputation suffers, and she has a hard time finding a permanent partner.