Ahh! yes decision making in startups, fun times.
Well in this case it may be wise to develop a decision making process or framework.
You can choose from one of these listed here <a href="https:&#x2F;&#x2F;www.mindtools.com&#x2F;pages&#x2F;main&#x2F;newMN_TED.htm" rel="nofollow">https:&#x2F;&#x2F;www.mindtools.com&#x2F;pages&#x2F;main&#x2F;newMN_TED.htm</a><p>Furthermore, it may be worthwhile learning each other favorite stack as you could pick up new skills.  Could be a bonding experience as well.  Just my two cents.