Need advice

So my boyfriend and I are Taking a break some space for each other. He says he’s unhappy and it’s making him depressed and he don’t know why or what’s causing it and he want to find out what’s going on. We been living together for 1 year before that we would bounce from his parents house to my parents house. ( we been together for 4 years ) we having our break and it’s hard because I’m used to doing for him. This unhappy making him depressed and he says it’s not me just something missing but he don’t know what and he wants to be alone to see what it is. I want to help but I don’t know how I know to give him his space and let him figure it out but it hurts. He says we just need a break from each other for how long he don’t know we both hoping that this break will help us a lot. I’m just scared I love him and he loves me I just want it to work out and be the way it was hopefully better . Just I don’t know what to do I feel like I’m missing something that I’m doing and that’s why he feels that way 😔 just need advice on what to do. I try my best not to text him but it’s hard when he’s the only person that I talk to. I just want everything to be fast forward to where everything okay 😭 because I hate this feeling.