If you're relatively sure they're okay with LGBTQ+ people and not homophobic, just tell them. Let them know that you've thought this through and you're sure you're bisexual. If they say that it's a phase, tell them you're sorry they feel that way, but it's not going to change. Most likely they will become more comfortable with the idea over time.

Talk Doctor Online in Bissoy App
Unknown

Call
Talk Doctor Online in Bissoy App