Are there any good ways to remain us not to forget or lose things

Yes, setting reminders on your phone and using sticky notes are simple but effective ways. Some people keep a checklist of important items before leaving the house, keeping things in the same places regularly, like keys and headphones.

Well, that's a tricky question. I've never thought about it. But I think we can do some things. For example, I think it's a good idea to have a notebook in which we write down specific places where we put our things. For example, if we usually put our keys in a cupboard, we can [...]

Yes, setting reminders on phones or using sticky notes are simple yet effective ways. Some people also keep a checklist of important items to carry before leaving the house. Keeping things in the same place regularly, like keys or wallets, helps.