Is lying sometimes necessary to keep a relationship healthy?

I try to be honest 100% in a relationship but it causes trouble.

Updates
7 d
People say in internet that they have such an amazing relationship because they are 100% honest so I did it. and it caused nothing but the trouble
Updates
7 d
Obviously honesty hurts a man. I don’t think I can be 100% honest
Is lying sometimes necessary to keep a relationship healthy?
Post Opinion