Well there certain breeds who come natural like this,but if you don't have 1 that's allows any of this here's a few good tips! There are 3 main ways people use: 1:Hand feeding.Be sure to talk to them as they eat. 2:More going in cage and talking to them 3:Sitting on the roost with a snack:Be sure to share this These are just a few.1remains: happiness:As long as they are happy and not frightended it shows trustworthiness. Here Ya Go!