Trying to get pregnant 😊🙄😥

So I’m 22 and my man is 38 and we been trying for 1 yr and 6 months straight and nothing, I know God’s timing is perfect and I’ve been thinking and drinking so many stuff I’m Dominican and my country is known for having a good “remedy’s” ( botellas ) to get pregnant!!! And nothing!!!! I went to the doctor because I forgot to say we both smokes weed so I went to the doctor to check every is ok and everything came out good so I know its not me but then I know I got to stop smoking weed, well right now I’m at that point where I don’t even know if I want to get pregnant anymore I feel so MEH! But my man been really patience he love the process 😉 ( you know what I mean ) but I just wanna stop smoking weed, start college and get pregnant I know we can do it ( we good financially) and then he’s 38 so yeah.....( anything you guys recommend me that can help me ? )