What do you think about the situation i am in?(preggo wifes hubby)?

After having our baby boy at a healthy 8 and a half pounds, my wife went to get a job. She wanted one, I would have rathered her stay home. Well recently she had to stay overnight at her job, and i believe she was there, ive seen the time card. But She came home two days ago, and i went to get her purse from the car. Her cell phone was buzzing and it was a text message from one of the guys at work, so i opened it, thinking it was work related. I see messages FROM her to guys saying "I'm horny, hee hee. Guess I'll just have 2 wait." and "It made me really jealous when you hugged her and held her hand," and "I didnt kiss you goodbye... frown" etc. I asked her about it and she got really angry, saying she was just joking around with guys and i was being controlling. So I said "ok, well please dont joke like that anymore." Last night at walmart the guy she "didnt kiss" and "was jealous of" sent her a text message saying "well do u want 2 b wit me? It kinda seems like it from the signs" :(