I take it as don't really, deeply trust anyone. It's hard to unpack given the drift in meanings of things like 'intimate'. It could mean don't have affairs wi

I take it as don't really, deeply trust anyone. It's hard to unpack given the drift in meanings of things like 'intimate'. It could mean don't have affairs with women, or it could mean don't go sharing your secrets. Given the very next line is about keeping secrets to yourself, that's how I take it.