[Curious] what age of a dog can you or should you start thinking about letting them lick you? (Anal and oral)

[f1nn5ter11]

Every time I start masturbating to beast. I wanna get a female dog to have a close relationship with yknow. So for future reference, when do yall think it's appropriate or ok to start letting her lick me everywhere or enticing her to lick my ass or cock?