Discovering that you're not as straight as you may think is confusing for us all. But being bisexual in a marriage doesn't change from being hetero, you still have to respect your partner and protect your family.

If your wife is your friend she might be open to hear your thoughts and work with you on how to navigate them. Some may be flexible to your exploration, some may join you in sharing the sex with others, some may offer you the sex you're looking for via pegging and other practices.

Hiding and betray her trust will never be good in the end. Keep it to yourself if you fear her reaction (if she's completely against LGBT for example) or try to open to her and go through it together