“90 Day Fiancé” stars Jenny Slatten and Sumit Singh shared that she’s now lost the ability to speak amid her battle with amyotrophic lateral sclerosis (ALS). In a heartbreaking video the couple posted on Instagram Sunday, Singh asked Slatten if she wanted to say something to their fans, to which she slowly responded, “No, I can’t talk.” Singh then shared, “Unfortunately, the ALS is progressing and it’s starting to show more in her talk, like, it’s hard for her to talk now.” He also noted she has more trouble walking and keeping her balance. “I feel like it’s more about Jenny losing strength in her backbone and neck and all … her spine,…