Cooking classes or groups, poetry readings, yoga, church groups, plays and sporting events all provide opportunities to connect with others who appreciate the same things you do.
Being with other singles will help build your confidence as well as provide feedback about how you present and appeal to others. Being married may have enabled you to not focus on your looks, your mannerisms, and your lifestyle.
Ask yourself if you feel that you need a partner or if you would like to enjoy and share another's company.
The loneliness and constant re-playing the tape of your partner's betrayal may trap you into feeling alone and undesirable.
Medicating with a new person is a temporary pain patch.