While most moms can eat anything they want in moderation, sometimes gas/fussines in baby can be traced back to something mom recently has eaten. Have you eaten anything different or in a larger than normal amount recently that might cause baby to be extra gassy? Dairy is usually a common culprit. If you eliminate/reduce the amount of dairy you take in & you see a difference in the gas/fussiness in 2-3 days, then you know it's dairy (although dairy can take up to 2 weeks to leave the body entirely). Then, after a couple of months, a mom can slowly reintroduce dairy back into her diet to see if baby can tolerate it better, since their digestive system has matured some. It can sort've be a detective game sometimes.