I think Tristan does something new everyday now. He never wants to lay down in your arms like a baby unless he's eating or going to sleep.
He likes to stand up and only needs minimal assistance to do it.
He also only needs the tiniest bit of help to sit up, too.
Yesterday, he spent most of the afternoon rolling onto his tummy and then back onto his back. Sometimes he would get on his tummy and start screaming. I would put him back on his back and he would be happy. It was like he got flustered and forgot how to get back to his back. I couldn't get this on video because Lucky thinks you are trying to play with him anytime you get in the floor. I'm gonna keep trying, though.
Today he had his 4 month doctor's visit. He weighs 13lbs 9.5oz and is 24 1/2 inches long. He was in the 50th percentile on everything. She put him on his tummy and said she was surprised by how well he could hold himself up. She also gave me the ok to start him on food! Tyler wants me to wait for him (he says he has looked forward to this more than anything else), so it will be a couple weeks. He also got 3 shots and has been fussy and acting like his legs are sore all evening. He's in bed now and I hope he sleeps well, poor baby.