I need some help

Chloe

So my son turned two last month, I wasn't really planning on potty training until he was three, unless he himself decided to before then. Well my son the past two weeks has gotten to where he constantly rips his pull ups off, and then when I put another on him he will throw a HUGE fit. I then decided to try potty training which completely back fired, you can tell he much prefers wearing regular underwear over pull ups and I tell him if he'd just go potty like a big boy he could wear big boy undies all the time and wouldn't have to wear "baby diapers" anymore. He will not go to potty though, he pees in his underwear every time, I set timers up for every 15 minutes and try to get him to go then but he won't or doesn't have to and then literally five minutes later he will pee all over the place.🤦🏻‍♀️ He also loves flushing the toilet for me when I get done using the bathroom (I don't know why😂) and I tell him if you go to the potty like a big boy you would get to do that every time you went. I've tried giving him like a couple M&Ms; every time he goes (his favorite candy) but it doesn't work. He's completely over pull ups and diapers but won't go potty like a big boy.😅 I need some tips Mamas.