Am I wrong?

My husband bought a peloton (we bought it - we share money) when our second daughter was 1 month old. I wasn’t interested in riding bc I was pumping, losing a ton of weight and busy. I told him I didn’t mind him riding but it couldn’t interfere with our daily schedule (at the time we had a 1 month old and 2.5 year old and I was pumping 10x a day). He did great with it! Looked great, felt great..I was happy for him! Then life happened and he stopped riding. He was in charge of putting our then 3 year old to bed and I put our younger to bed. Three weeks ago (now our baby is 14 Months and our older one is 3.5) I told him we could switch bc i noticed his patience w our 3.5 year old was wearing thin. He agreed. So he puts our 1 year old Down at 6:30 and now is back into the bike after. I put our almost 3.5 year old down at 7/7:15.

The issue: This evening I approached him about alternating nights a bedtime. I’d like to start riding the bike when he puts down our 3.5yo. I am weaning and I know I’ll likely gain weight. I am a healthy weight and want to keep it that way. His response… “you gave me shit when I got the bike so figure out a good time to exercise I’m not changing my schedule”. I’m fuming. I never gave him shit. I said don’t let it affect our routine bc we had a ONE month old and a 2.5 year old and I needed support. Now I want to improve my health after I’ve weaned and I have to “find the time”? Am I wrong for being annoyed?? Side note: we both work full time, I make sure our household functions and you can basically lick off our floors bc I keep a very clean home. He is the breadwinner.

To Meh: I have all day? I work full time as a teacher lol. I can’t just move things around. My down time is at 7:30pm and after. That’s when I prep everyone’s stuff for the next day, shower and get to bed so I can be prepared for the next day. It’s hard to get up in am and work out because I have to be out the door by 6:45 after getting myself and my kids ready to go and the bike is actually in our room…so he’d never go for that.