Mama, nandito kami! Honestly, a few of us moms still had morning sickness (or in your case, gabi sickness!) way past the first trimester, it's more common than you'd think, kaya hindi ka nag-iisa dyan. Ang best thing I did was keep crackers or mints by the bed, eat small frequent meals, at iwasan ang matamis or greasy foods, pero honestly, at 4 months if it's still pretty intense, worth checking with your OB para sure lahat okay lang at wala pang iba. Hugs, mamsh, alam mo yan tiring talaga, pero dadaan din yan!