After all the theoretical knowledge we have to practise to get the knowledge into the body. In order to really dance in the way it is described, we need to have correct repetition in the basic movements. To become a better skilled dancer, we need to practise solo besides the practising together with partner.
On different sites like http://www.danceplaza.com/ you can find practice locations.
Most important is to maintain a weekly schedule which combines practising technique with physical output for stamina. The best stamina practice is competing during dance competitions or interval training with other sports, in particular running.