Just wanted to confirm this. I did it daily for two years, almost 8 years ago, and I'm pretty sure some of the effects stuck.
That is not to say that I don't feel like meditation works, but more to say that there seems to be a big change after a longer regular period of meditation, but then further improvements seems to slow down. But I can way more easily get into a relaxed state and calm my mind than I could before doing any meditation. I just don't do it as regularly anymore as I find the further incremental improvements to my everyday life to be smaller.