Is it true that people who don't add qq secrets will definitely show "friends of friends"? No "friends" Is the avatar male or female or the gender of the sender?

Adding you and deleting you will show (friends of friends)

Show (friends) without adding or deleting them.

Delete the display of your server that is not updated (unknown)

Avatars are gender-neutral (random posts, random comments)

No one knows who sent the secret again. Some people will deliberately publish in pink, not necessarily women's hair. Satisfied, please adopt!