Help ... Mirena

I'm really on the fence about using the Mirena. I'm scared to use it . However, also scared I won't be able to commit to taking the pill at the same time every day or if i would even remember to take it every day. I really want to know people's experiences with it. Especially the bad experiences just to  be able to determine what's best for me. Please just let me know the pros and the cons. How long you used it. The experiences of getting it the first time. Did it make you nauseous? Did anyone have a hard time conceiving after... The whole scoop. Thanks in advance. Btw, don't know if it matters but I am 22 years old with only one child that I had a month ago.