When a myna bird likes you, it won't resist bathing or giving you medication; it will be very compliant and gentle, and won't squawk or bite. When you pet it, it will lower its head to let you touch it, which is also a sign that it likes you.
The myna bird's expression of liking you
Most mynahs don't like to interact with people, but if a mynah likes you, it won't resist when you bathe it, give it medicine, or do other tasks. On the contrary, it will be very obedient to you, which is a big change from its initial behavior.
When a myna bird is friendly and likes someone, it will be very gentle. However, if it feels that a stranger is approaching it, it may keep calling out or even bite.
When you pet a myna bird, it will lower its head on its own. This is a sign that it trusts you and that the myna is comfortable being petted by its owner. At this time, the owner can feed the myna some small treats.