ocding over something silly cant stop!!!

my family and i,hubby 4 teen kids went out for dinner tonight my daughter ordered a kids meal that came with 3 mini icecream cones and when they brought them out she offered the kids a cone each but being there was only 3...well u know...anyways my son who is my buddy big time went to go get one and then stopped and said no no its ok theyre hers and just as she started to say no really go ahead take one,my other son grabbed it before him...my son, the one that said no,put his hand down just after my other son grabbed it...so my son just sat back watching them eat it and i felt horrible for him! i dont know why then the other son says u snooze u loose which ticked me off but i felt bad cause my son had taken the time to consider they werent his in the first place and then went without...so i told him we will stop at the store and i will buy him whatever kind of icecream he wants or a slurpee,which i did he came in and picked his fav out...all i can do is think of the look on his face when the others grabbed one and because he put his hand down too late and the other son grabbed it he was left out not enjoying what the others had...this is silly and i dont know why i am obsessing over it! but when i think about it i feel horrible for him! i mean of all the things to feel bad about i picked this?!!!i havent thought of anything else tonight other than the shear dissapointment on his face even though he ended up getting the good end of the deal....why!!!???!!