I am confused. You say you text and call him too much but then say this -
Everytime I leave he text me immediately to see if I got home ok, or tell me how much fun he had with me and he cant wait to see me again. He often calls out of the blue or text me just to say hi and to see how I am doing and just to talk about his day.
Seems he is calling and texting a lot too. So if that is the case I wouldn't worry about it.
Some people are drains and some are radiators... Keep clear of the drains and hug the radiators!