Beth Pensky, a 54-year-old single mother from New Jersey who now lives in Florida, never tells anyone that she’s estranged from her only son and daughter. “I lie all the time,” said Pensky, who told The Post her kids have rejected her because they’re “woke” and she is not. “I can’t tell anyone I don’t have a relationship with them. I had so much shame about it. It looks awful for me and makes me feel terrible so I lie.” But her attitude changed when she — and a number of other mothers — read a Post story in November…