Yeah
Though I think if you're ever intending on getting citizenship, I think there is a limit of how many days you can be out of the country
If you want to make it easy to go through immigration, sign up for Iris- man, its the best thing ever- no queues, no one to talk to, no forms to fill out. Scan your irises and come into the country! I LOVE by-passing everyone in the lines. Its only available at a few airports, but its great!