Help convince please...

[Dracoluna]

What exactly are her objections? It's very possible that she is very scared of them and that might take some time to work through. If it's just a dislike, then she should state her problems with it and give you a chance to respond. My husband doesn't like snakes either but we made the agreement that I don't force them on him, he doesn't have to take care of them, and I'm allowed to have them. Granted, I owned the snakes BEFORE meeting him so he didn't have much choice but part of a relationship is give and take.

Possible objections:
Dirty - they are cleaner than dogs and cats. Trust me on this one.

Smell - Same as above and since you have a lab, I'm sure you know that a wet dog can smell pretty bad. If the tank/cage/tub is kept clean, ball pythons are relatively odorless. My corn snakes are worse...

Getting loose - Make sure the enclosure is such that you can't even pry it open without undoing latches, locks, etc. That's generally a pretty good rule of thumb (experience comes from owning corns who like to try and escape. My bp hasn't bothered to try at all).

Biting - Your dog can do more damage playing than a bp. Also, if you compare it to a dog (since most people at least understand them somewhat), snakes can be read to see how they are feeling. Obviously, coiling up, striking, tail rattles, and hisses are signs they are stressed/annoyed. Same as a dog bristling up and growling or baring his teeth. Also, bp's aren't particularly nippy. Find one that is calm, you can handle, and do so BEFORE buying. Let her pet the snake a little too if she's willing so she can see that that particular animal is calm. A good breeder will also spend time talking to her about any concerns she may have.

Feeding - Ok, it's hard to handle this one as there is no dry snake kibble anywhere. Either you will have to throw a live rat in and watch it get killed/eaten or you will have dead ones in the freezer. If you have a deep freeze, this is easier to hide if she doesn't wish to think about it.

IF she really is truly terrified of snakes, you should talk to someone who has a few that is experienced with dealing with people who might be frightened of them. There are a lot of ways to work through fears especially if her fear is caused by the usual, parents telling her snakes are dangerous/scary/slimy. Most adults can rationalize things out when faced with the real facts (and a handle-able snake).