It would be helpful if you're able to utilize your counselor as much as you can and that means being open. There is no judgment placed and the counselor is there to help you get through this.
You may be attracted to the same/similar type of men and may not be even aware of it. Some individuals do it subconsciously in an attempt to recreate a failed relationship from their past. It may even go as back as recreating or getting affection and approval by someone you may have not had such as a father, grandfather, authority figure you were idolizing or first love.
It is possible to move on and to heal, and it takes time and your effort. You may want to connect with some online free support groups to bounce ideas off of others with similar issues. Journaling and bibliotherapy and other self help tools are also something to look into depending on what you want to do.
When the Past Is Present: Healing the Emotional Wounds that Sabotage our Relationships by David Richo (Paperback)
Self-Esteem Affirmations by Louise L. Hay (Audio CD)
Recovery of Your Inner Child: The Highly Acclaimed Method for Liberating Your Inner Self by Lucia Capacchione (Paperback)