The married woman

I’m 24. There’s a married lady at work who has been doing my head in for about a year. She’s 37. Married with kids. She’s very pretty and I’ve had a crush for sometime. I’ve never expressed my feelings to her but we’ve become touchy of late. Long hugs, waist holding and the occasional peck on the cheek. As a young guy, the thought of bagging someone much older than me is appealing. On the other end, it feels wrong because of her marital situation. But I’m really into her. Should I pursue and push my luck or just nip it in the bud?