Help with being more forward

So my husband and I definitely have a clear idea of who is more dominant (him) and who is more submissive (me). The problem is, he has stated in the past that while he doesn’t completely want to be dominated, he would like me to take control once in a while - I’m kind of awkward when it comes to being more demanding and controlling. I’ve been told to “don’t think, just do”, but if you’re a person like me, you think without even wanting to. Any ideas on how to get over that? I’d love to be able to surprise him when we go to Jamaica at the end of June and take the reins for once.