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@all6girlsmotherways-net , barre chords are very difficult, and takes a lot of practice to build the hand and finger muscles. I know some extremely experienced players who never use barre chords. I find them very useful, however I still struggle. I do practice the E chord shape everytime I play. I find it the most useful.
One thing that may help that some people don’t know, is using your non fretting arm to press the guitar body against your body. This will take some pressure off your thumb and index finger. I would recommend trying the E shape barre chord by just pressing the guitar against your body and don’t use your thumb at all. It will be hard, but once you use your thumb again, it will seem easier. The leverage from using the body and the thumb takes a lot of pressure off. Hope that helps a little.