Hi all, thank you so much for your kind messages, especially the pandas, lovely. 
It was the Friday 22nd my son was off with me, not on my birthday. On the day he was actually very nice. We spent time watching tele, having party food and spending time together. Today we have had a heart to heart about how we both feel about the changes we have and are going through, puberty and menopause, although what a 19 year old male is doing going through menopause, I have no idea! 
I got upset, twice, he said about me missing him when he isn't here, we discussed my symptoms, physical and emotional and his changing hormones, it was very bonding and made us understand each other a bit better. We do tend to use a lot of humour between us, it's just sometimes it all gets too much.
Anyway, thanks again, I hope that next year will be better and my health will be improved a little.
I will, of course, make sure his room is available for him when he is home, but in the meantime I am sure using it to sew some clothes or whatever wont be a problem for him. 