Tom Brady isn’t going to let his ex-wife’s romantic Valentine’s Day get him down! On Friday, February 16, the former NFL star shared a series of photos from his vacation to the Bahamas alongside his son Benjamin, 14, just days after reports of Gisele Bündchen’s romantic date with jiu-jitsu trainer Joaquim Valente. The 46-year-old shares the teen with Bündchen, as well as their daughter Vivian, 11. Additionally, the ex-athlete has son Jack, 16, with Bridget Moynahan. “Always on the grind!! Coming for you @ophipps7,” he captioned a photo of himself hitting a golf ball in a navy top, tight-fittin…