Make sense
Is easy to explain why to do it
Something most people might do
Something good for others
Has good proof that it is safe and possible from a trusted source
Is suggested by someone that you trust, like your best friend
Examples
Make your own masks so that others who need the ones in the store can have them
Do bonus homework
Giving to people in need
Making 'Get well' cards for the sick people at hospitals
Donating
Recycling
Teaching
Helping people in need, if safe
Don't make sense
Make you ask why
Something not many people would consider doing
Something that would hurt other people physically or mentally
'Proof' it works and is safe from a fiction book or movie
Is suggested by someone who you can't trust, like a bully
Examples
Jumping off buildings
Going to the store without a mask
Running with scissors
Keeping the door open during winter
Stepping on legos
Hitting people
Not doing your homework
Being mean or bullying in any way