Daughter's boyfriend stinks

I feel so bad saying this because this boy is so so so soooo sweet and treats my daughter so well. My daughter is 16 so is her bf. He is the absolute sweetest. He brought me flowers for the house when I first met him. But he smells soooo bad. Like he hasn't showered in weeks. His uniforms for school are also really dirty. And I think he may have brought bedbug to our house because I found one on our couch and threw the whole fucking couch away and got a new one. I asked about his mom and home life but he doesn't talk about life at home. Should I ask my daughter about it to see if there's anything I can do to help? Or do you guys have ways I can help without getting too nosey?