Some women are very picky. Their demands and expectations might be too high sometimes. This makes their search more complicated and time-consuming. Finding the most perfect man in the world may takes ages.
Actually, you may never find a partner who will meet absolutely all of your requirements. Become more tolerant and understanding if you wish to create a strong bond.
Your previous long-term relationship was years ago
When did you break up with your previous partner? If it was a long time ago, it may not mean that all the dates you have had since then are useless. The problem might be in your standards that are too high.