Most Helpful Guy
Just tell him the things you can't do sometimes. Learn to say no.
Most Helpful Girl
... I don't want to hurt his feelings but I feel so suffocated..
There comes a time in a relationship, especially a long term one, when One or even both Feel like they can't breathe and find it a Turn off, like this clingy vine which isn't so divine.
You Need to end the madness before it gets to the Point of Sadness where you want to take a Break from him because instead of 'Snappy,' you will tell him you are Unhappy and it is going to be our Demise for this relationship.
Lay some ground rules down and be your own straw boss with him. He may be feeling insecure with the way you say something or may make him Feel and is holding on to dear life here, dear, Not wanting you to take a single breath by yourself nor let you out of his sight, day or night.
Compromise as to the time you are two birds of a feather in a nest. I see Too much can be 'Too much' and with taking some space without looking at one another's Face all of the time, this relationship has a better chance with romance of not going south.
If he refuses to be a sweet tweet about That, then you may have to go One step further and tell him he has to either comply and try or an Eminent Break will come sooner Than... Before school starts.
Holding a cunning carrot over the horse's nose sometimes helps sos they knows you Mean.. Risky business.
Good luck. xx