You will get further in less time in finding a relationship if you allow yourself to be genuine.
It's OK to put your best foot forward, and also to be a bit cautious, but have the courage to be upfront and show who you are. Talking too much about your ex: While this information will eventually be shared at least to some extent, it shouldn't be discussed in detail during the initial phase of a relationship.
Are you making dating mistakes that stand in the way of you finding the right person or keeping the right person after finding him/her?
Too often people end up ruining their chances with the person they are dating by committing fixable errors.
Carrying old baggage into a new relationship amounts to clutter.
If fear of commitment is an obstacle, better to work out your patterns schemas in therapy than in your relationships. If you do it, then you need to pace yourself, and be more considerate of the other person, who you are probably leading on. Not being honest about your needs: Pretending everything is OK can work for only so long.
If you fall for those who do it, then you need to slow things down and not get taken for a ride (or pursue a different type! assetiveness is a golden skill for those who are ready for a mature relationship.
Let things evolve a bit, as you get to know someone. Avoidance of intimacy: While this one is traditionally men's domain, women are quickly catching up in the fear of commitment zone.
Patience and restraint are required here, even though you may feel pressed for time. Modern society imposes so many requirements and expectations on what makes for a "good catch," and that makes it hard to sort through whether someone would be a good choice for us.