Selfmade chewed bubblegum

Selfmade chewed bubblegum:
Pro-guide:
buy gum
chew gum
spit gum out

Detailed amateur friendly guide:
Go to store
Buy gum with money
unpack gum
stick gum in your mouth (this part is important, dont chew any paper)
chew it while mixing it with saliva
After you finished chewing (you'll know if the gum doesn't taste anymore) spit it out

Congratulations, you made yourself selfmade chewed gum!