Just stick to what you're good at.
*get better at what you're good at
Also, I simply don't like playing with Caitlyn on my team. I legit can't tell what she's doing. They just seem to only be good at poking long range and many don't seem to know how to run away or position. Never liked Supporting a Caitlyn as Poppy cause even when I set something up perfectly at level 2 she can't seem to do anything to capitalize on it :/
Mr Spooky Gun seems much more effective on my teams.
Cait/Poppy just not a good lane since Poppy offers pretty much nothing towards what cait wants to do. I'd say invest in Janna if you haven't already. Goes well with everyone and is pretty much just a permanently strong pick