Megaphone

As you can tell I'm new to the forums, I've been lurking for a month or two. Great community, I must say.

Anyway, on to my question. I've been smoking for about 6 months. I've kept it to about once a week (probably a tad less). I'm obviously still completely new to the whole deal, so I've been getting legitimately stoned off of relatively nothing at all. I would like it to stay this way for quite a while.

So, If I keep my habit of smoking to once a week or just a few times a week, will my tolerance stay pretty low every time I smoke, or will it build up over time?
Thanks.