Can't get into Realms on Minecraft: Java Edition? Due to GDPR (http://minecraft.net/privacy/gdpr/ ) users under the age of 16 need parental consent to play on Realms. To set up parental consent on an account, visit http://minecraft.net/update-account .
Please check that the security question reset emails aren't in your junk/spam folders. For reference, the reset email will come from the address "noreply@mojang.com" I hope this helps! ^SA