The letter 'n'.

Keep the first bulb switched on for a few minutes. It gets warm, right? So all you have to do then is ... switch it off, switch another one on, walk into the room with bulbs, touch them and tell which one was switched on as the first one (the warm one) and the others can be easily identified

Fire.

Odd number.

Because he lost in her eyes.

Secret.

Smoke.

Your breath.

3

Your self example (JOEYetc)

The snail reaches the top of the pit on the 16th day!
On the first day, the snail reaches a height of 5 meters and slides down 4 meters at night, and thus ends at a height of 1 meter.
On the second day, he reaches 6 meters, but slides back to 2 meters.
On the third day, he reaches 7 meters, but slides back to 3 meters.
...

I have a lot of problems!