1. Try losing your private keys, and let's see what happen, if this happened once I bet it won't happen again, you will learn to keep your private keys more secure next time, we all make mistakes and we learn from it, there are ways to keep em safe and if you lost em it's your fault.
You should never
have to even see your private keys, that's why they are called private in the first place. The new constructs for creating wallets, such as seed phrases and wallets which can be derived from (among other resources) a username and password are what you should be keeping note of and hiding. You shouldn't ever have to touch a private key for any reason.
Acknowledge, and yet some crypto wallets still give access to private keys after creating your first wallet, recovery seed is available and so is private key.