britishstarr:

not long ago i saw a headcanon saying marty was diabetic because he kept drinking sugar free pepsi but haven’t you guys noticed the amounts of chocolate this kid has on his night desk gosh marty 

according to good sources (my dad, who coincidentally was 17 in 1985) people liked sugar free shit because it was new and cool, not even for health purposes just because it was new

i think that’s this nerd’s case