I was raised as a carnivore and I am a carnivore, but once a year I like to make a break from eating meat. I did it the first time last year and I got so inspired by it, that I decided to repeat it this year again. I'm not particularly religious, but the time of Lent is a great occasion to resign from meat/sweets/alcohol - you name it - just to prove that you can do it!
When I did it the first time I wasn't sure at all if I will actually manage to give up meat for 45 days (it seemed like a century). But later on I realized how many advantages it had on me. Thanks to this experience I learned various delicious dishes and tastes. My cooking skills improved, because it takes some creativity to make a meal satiating and satisfying without a piece of meat in it. It made me mentally stronger and trained my consequence. It also made me reduce eating meat after Lent!
I definitely recommend you giving something up for Lent or any other occasion or also without any reason for a specified period of time. It definitely won't be easy, but it's really worth to reach goals, even the small ones.