Def stake it with a pencil. Also provide a bit of air movement directly on the seedling. This will thicken and strengthen the stem.
Another thing that throws novice growers off is that they need to germ a lot of seeds. If you start from bagseed, you will want to start a bunch and monitor them all for characteristics you like. See if you can find genetics that grow fast or short or stand up to nutes good or can grom in hot and humid temps. Also, you are foolish if you bank on growing 1 plant and haveing it turn out female. Flower double the number of finished plants you want cause 1/2 of them will likely be male.