with decent charisma and the perk to heal when you eat cum, you can skate by early game by dropping to your knees. if you're careful you can get enough exp to buff up combat stats.
honestly you can dump strength if you go with agi and end; then you'll never half to worry about stamina and poise in combat, use backsteps and ripostes to trip up enemies and then kick/teabag them while they're down.