This is my dogs third time going into heat. We thought she stopped bleeding 2 days ago but there are fresh drops this morning. Her vulva looks much larger than I remember it the last two times. She doesn't seem to be bothered by it at all. I don't think she's in pain or feeling unwell. She's more cuddly than usual, doesn't want to be left alone but also doesn't play as much as normal. These are all the same behavior changes as the past. Otherwise I'd be calling my vet. The second heat had a lot more bleeding than the first. I think she's bleeding even more this time but cleaning up better. Is it typical for there to be these changes as they get older?