Consider the following hypothetical example. A friend of mine named Alex passed away last year. I've found a notebook in his room with pictures of lions. This suggests that he was likely interested in lions. This observation makes me think he may have been interested in tigers too -- because lions and tigers share a lot of similarities.
Can I use the following sentence to describe my opinion -- including the possibly real condition that Alex may have been interested in lions; or it will be confused by the second/mixed conditional structure where we talk about unreal conditions.
If Alex was interested in lions, he may have been interested in tigers too.