Sounds like it was a good day and everyone had a good time. You gave your h plenty to think about in the way of good times, food and people.
Not every MLCer will have someone waiting in the wings. Some just like to be on their own and experience life by themselves. Maybe your h is one of them.
I wouldn't try to read into what he says or does. Maybe the car seat was back because he was cleaning it and forgot to move it forward or he gave someone a ride and they were tall.
As for the giggle, who knows what is up with that. Maybe he's still age a very young teenage life and giggles because he thinks he's hugging and kissing his mom.
Again, can't read into this stuff or it will drive you nuts.
Keep the focus on you.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
