sex dog

I wanted to know if I should use lube and a condom or just lube if I have to fuck my dog or get fucked by my dog. I want him to not get hurt. What should I do?

Maybe I was too honest in the title, but I would like to know how to get fuck and suck by a dog.

I wanted to have my first intimate experiences with a dog, but I don't know what species to get. I also wanted him to be affectionate and loyal. I was thinking of getting a Chihuahua, but it didn't appeal to me. Does anyone have any advice for first experiences?

Do they exist? It seems kind of cruel that the only way of dealing with their behavior if there is no female dog would be to castrate them/ neather them?

Veran yo tengo una perrita llamada Diana de 5 años y es una border collie no esterilizada, bien y hicimos los juegos previos y todo eso, mi pregunta es es posible que yo ya empiese con la penetracion?, quiero decir solo puse la puntita y a ella no le molesto en lo absoluto, entonces, no se si es...