perplexity said:To begin with the child and the adult would need to figure it out, which is not always so easy.
Lewd thoughts cross minds from time to time.
Sexual arousal may occur suddenly, out of the blue, unforeseen.
Speaking as a parent with occasion to think in these terms I would allow a great deal of leeway for fear that the stress of negative attention damages more than mild abuse, but each to his own, all inevitably a matter of discretion.
--- Ron.
It may sound incredibly naive, but I had no idea of the scope of this problem until just a few years back ( I'm in my mid-thirties).
Do parents have lewd thoughts about children? I don't even claim to understand pedophilia; but what about other adults?