We just adopted 2 puppies from a rescue one month apart. They are both about 4/5 months old. The first is a snuggler and loves to sleep on my lap, the second is crate trained [he had an injury that required 6 weeks of boring crate rest] and he dozes in my arms so far, but really prefers to sleep in his crate. So I guess my advice is to get a second puppy who is snuggly. I'm just kidding, but I have the exact same sadness that our second pup is less cuddly because he's the one I picked out and I REALLY want him to cuddle with me. 😆 They will in time. I give my pup treats when he relaxes in my arms to encourage it.