There are 5 ways to experience joy (in no particular order):
Laughing in public transportation. Avoid making eye contact with anybody around you to make it easier if you feel embarrassed, and find a socially acceptable way to do it such as putting a headset on your head, or a cellphone to your ear. Next,
start with a smile. Once comfortable, upgrade to a giggle or more. Watch this:
A clever way to get others to laugh with you in public transportation is to get them to play with you. Here is how: Start blowing soap bubbles, and every time you make eye contact with someone, give them a bottle and invite them to do the same.
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