I think it's a common phenomenon, actually. When I first started meditating daily, after a few months I came to a state of not feeling much. It was actually a slightly negative, slightly positive state because on the one hand I was slightly frustrated to not be feeling much, and on the other hand I was slightly glad I wasn't feeling down. It's a temporary state and will pass. Since then I have had many ups and downs. Ups, downs, and in-betweens are all just part of one process. You can choose to interpret them positively, negatively, or something in-between. Of course, if you want to spice up your life, you can always go out and do something crazy, or dare to feel something crazy!