In his partly roofless, cobweb-filled house on a government frontline with the formerly rebel-held eastern Ghouta district of Jobar, al-Masri stayed put through years of conflict.
"Many said I was crazy ... Everyone fled."
But since the fighting ended three weeks ago, a trickle of life has returned to the war-ravaged, deserted streets around him.
The Syrian government, backed by Russia and Iran, regained eastern Ghouta, an area of farms and towns just outside Damascus, in early April in a ferocious assault.
The army offensive to capture it, heralded by one of the heaviest bombardments in the seven-year war, killed more than 1,600 people, said the Syrian Observatory for Human Rights, a war monitor.
Today the boom of mortars around al-Masri has been replaced with voices.
Former residents are starting to come back, hoping to see what years of grinding warfare have done to their homes.
Near al-Masri's house, soldiers yell at children and teenagers to stop exploring the barricades, trenches and war debris which had previously been off limits to them.
Most of the Jobar district is still uninhabited. Classified as a security zone by the Syrian army, the streets are strewn with destroyed buildings, bullets and explosives.
Al-Masri's house was the last inhabited position in his neighbourhood before a bank of earth marked Damascus's frontline with Jobar.
"The mortars fell while I was inside. I didn't leave. We cleaned up and sat back down," he said.
"I lived here alongside death and didn't die."
In the early days of the conflict he was scared and unsure of what might happen.
"For more than a month I slept with my shoes on, on full alert."
Jobar adjoins government-held central Damascus. Parts of Jobar are just 500 metres from one of Damascus's most famous public spaces: Abbasid Square.
"I didn't take a single step from here. Not at night, not during the day. There was just 10 metres between me and the tanks. I was the only one in this area, no other buildings, no nothing. Me and the army were like brothers," he said.
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