Live love laugh laugh more

This week I have been having some serious issues with my exhusbands live in girlfriend....this is a serious relationship , she is sweet, pretty , and loves my grandchildren which she sees more than I do , due to my operations this year......I am jealous i guess., I dont want to feel this way ....it is not jealous of her and my ex.....we are friends......there is a confusing issue about her that I am having trouble with. She is a Wiccan /wicca/ witch.....I dont know how to describe her beliefs but I guess its a pagean religion.....she is a good person but this witch thing bothers me she does tarot readings, is into wicca ....how do I deal with this .....I am a christian and believe in Jesus Christ and that he died for us so that our sins can be forgiven......my ex has always played dungeons and dragons so he was drawn to her because of this ancient rituals ...so for ............