BAD / GOOD VERSUS WELL

 There is a say in English that says:
 "you must take the good with the bad" or "the rough with the smooth".  
 It menas that life is not always fair or easy, so you must accept the unpleasant experiences and hard times for what they are.  All experiences are part of living: be they good or bad.
The adjectives good and bad are used in many different communicative intentions:
1 To describe the way we feel:

 how are you feeling today?......... I feel good (well can also be used) ////  I feel bad  

Well and good are not always used as similes.  You cannot say: * He has sung good today. Only well can be used: he has sung well today .SO

• Incorrect: "She cannot see good." (Use "well.")
• Incorrect: "This car runs good." (Use "well.")
• Incorrect: "This plan works real good." (Use "very well.")
• Correct: "This plan sounds good." ("Good" follows the linking verb "sounds.")
• Correct: "I am well today." ("Well" is an adjective showing my well-being and health.)

2 To describe enjoyment or deslike towards something:

Did you enjoy the movie?............  Yes, it was good  /// No, it was bad

I had a really good / bad morning
3. To describe a person and their character:

Thank you for your help.  Yo are good   //// That man stole my bike.  He is bad

I had lunch this morning with a good friend of mine

4 To express what is right and wrong In religion, Good is the opposite of evil and wicked
5  The expression "too bad" means "it's a pity"

We had a good time today, too bad (it is a pity) we had to say good-bye