The couple have been engaged since 2009 and are parents to 4-year-old son Orion
"Marriage changes some things in unexpected ways," he hints
Nearly one year after welcoming their first child, he and girlfriend Tara Wilson are tying the knot
He says he wanted to do "something that was intense, but had a holistic way"
The style "should be more fun, because do you want to dress like you are going to a funeral?" t ...
The star's girlfriend, actress Tara Wilson, is about five months pregnant