Is he cheating

My husband of 3 years has been coming home late from work which most of the time is pretty normal bc of where he works but I found where he has googled motel 6 on his phone and it's like he has lost interest in sex or really evey being with me I don't know what's going on it's not like him he has never cheated b4 and we have been to gather 4 years marred 3 in past relationships he has awalys been the one cheated on so I don't and we have 2 kids and one on. the way so I don't want to thank he would do that but I'm getting to the point Idk 😭😭😭