A carer trapped the woman he cares for inside an under-bed storage compartment after a row about him quitting smoking, a court heard.
Gareth Collins also dragged the woman along the floor by her feet when she “kept going on” about his habit.
The 25-year-old told police he didn’t drag her by the arm as she “bruises easily and it wouldn’t have looked good”.
Lynn magistrates were told that Collins was the woman’s carer and the pair had also been in a relationship since moving in together around seven months ago.
Collins, of Glebe Estate, Tilney All Saints, appeared before the court last Friday and admitted two charges of assault on January 16 and January 17.
Yvonne Neill, prosecuting, said that, on the first occasion, the couple were walking down an alleyway together when they had an argument about him stopping smoking.
She said he pushed her in the stomach and she stumbled back into a wall.
The following day, they had another argument about his smoking and he “pushed her about a bit”.
Ms Neill added: “He then pushed her into a storage compartment of their bed and shut her in”.
He later packed her bags and told her to leave, but when she refused he “dragged her by her feet along the floor to the front door”.
In police interview, Collins told officers he had “anger management issues” but said his partner knew how to “push his buttons” and make him angry.
Ms Neill said: “He told police he tried to stay calm but said she kept going on about him smoking.”
Alison Muir, mitigating, said there were anger problems, but the smoking issue could have been dealt with more amicably.
The case was adjourned until March 1 for a pre-sentence report to be prepared.
Collins was released on unconditional bail until then.