Hello, many acquaintances and relatives constantly tell me that I shou…

Hello, many acquaintances and relatives constantly tell me that I should teach my daughter to fall asleep on her own, while we've been sleeping with a breast or rocking her since birth. I tried once to put her down and leave but couldn't handle her crying. I know that she will get used to it in a few days, but there are many different opinions about this in forums... Does it affect her psyche?