If its one to four months old you should feed it two times a day. Four months to mature feed it one to two times a day. Adults feed every one to two days. There is one thing which makes a bearded dragon so interesting. With a little bit of training, they will sit calmly for moderate periods in your hand or on your shoulder.
Some adults like to be petted on the back or under the chin.
You must be extra careful when handeling hatchlings. They are known to back-up while you hold them. Petting them alot could be harmful to their skin. For the first two months you should only hold them a little and then slowly increase to holding them a little more the next two months. When they reach six months to a year they are then old enough to he held more often.